Question

find the value of x so that 12:15=x:45.​

Answer 1

Answer:

36

Step-by-step explanation:

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Answer 2

Answer:

The value of x = 36

Step-by-step explanation:

Given,

12:15=x:45.​

To find,

The value of x

Recall the concept

A ratio a:b can be expressed as a fraction as $\frac{a}{b}$

Solution:

Given 12:15=x:45.

We know 12:15 = $\frac{12}{15}$  and x:45 = $\frac{x}{45}$

12:15=x:45 ⇒ $\frac{12}{15} = \frac{x}{45}$

Cross multiplying we get

15x = 12 × 45

x = $\frac{12 X 45}{15}$

x = 36

∴ The value of x = 36

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