Practice setting up and solving proportions to solve word problems.

Learn all about proportional relationships. How are they connected to ratios and rates? What do their graphs look like? What types of word problems can we solve with proportions?

Course: 7th grade math > Unit 1 Lesson 5: Writing & solving proportions Worked example: Solving proportions Solving proportions Writing proportions example Writing proportions Proportion word …

Commercial math My phone battery lasts for 24 hours when fully charged. The duration that the battery lasts is proportional to its percentage charge.

A proportion is an equality of two ratios. We write proportions to help us establish equivalent ratios and solve for unknown quantities.

Practice solving proportions with interactive exercises and improve your understanding of algebraic concepts on Khan Academy.

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Learn all about proportional relationships. How are they connected to ratios and rates? What do their graphs look like? What types of word problems can we solve with proportions?

If we're tripling the oatmeal, then we're going to have to triple the flour to make the recipe in the same proportion. Another way, once you set up an equation like this, is actually to do a little bit of algebra.

Some examples of writing two ratios and setting them equal to each other to solve proportion word problems. Created by Sal Khan.