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Question Number 47727 by Mawitea Cck last updated on 14/Nov/18

Find the value of  a for       a : 4 : : 5 : 10

$$\mathrm{Find}\:\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:\:{a}\:\mathrm{for} \\ $$$$\:\:\:\:\:{a}\::\:\mathrm{4}\::\::\:\mathrm{5}\::\:\mathrm{10} \\ $$

Answered by ajfour last updated on 14/Nov/18

⇒ (a/4) = (5/(10))     ⇒  ((a/4)/1)= (1/2)  ⇒   (a/4) = (1/2)   ⇒  a=(4/2) = 2 .

$$\Rightarrow\:\frac{{a}}{\mathrm{4}}\:=\:\frac{\mathrm{5}}{\mathrm{10}}\:\:\:\:\:\Rightarrow\:\:\frac{{a}/\mathrm{4}}{\mathrm{1}}=\:\frac{\mathrm{1}}{\mathrm{2}} \\ $$$$\Rightarrow\:\:\:\frac{{a}}{\mathrm{4}}\:=\:\frac{\mathrm{1}}{\mathrm{2}}\:\:\:\Rightarrow\:\:{a}=\frac{\mathrm{4}}{\mathrm{2}}\:=\:\mathrm{2}\:. \\ $$

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