Question

Find the value of x in proportion ​

Answer 1

Answer:

Step-by-step explanation:

in proportions,

we know that

middle term1 * middle term 2 = outter term 1 * outer term 2

0.4 x = 0.12

x = 12/40

x = 3/10

x = 0.3

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Answer 2

Answer:

$\frac{0.2}{x} = \frac{0.4}{0.6}$

$\frac{2}{x \times 10} = \frac{4 \times 10}{6 \times 10}$

$\frac{2}{10x} = \frac{2}{3}$

$10x \times 2 = 2 \times 3$

$10x = \frac{2 \times 3}{2}$

$x = \frac{3}{10}$

$x = 0.3$

Therefore

0.2 : 0.3 = 0.4 : 0.6

Hope it's helpful