Lesson: Proportions

In this lesson, we will learn how to get an unknown value in a proportional relation using cross multiplication and how to apply that in real-life situations.

Video

13:14

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Sample Question Videos

03:42
04:53
03:04

Worksheet: 25 Questions • 9 Videos

Q1:

If , find the value of .

Q2:

If 8 and 3 are in the same ratio as 96 and , then find the value of .

Q3:

The numbers 6 and 19 are in the same proportion as and 22. Calculate the value of , giving your answer as a top heavy fraction in its simplest form.

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