Math, asked by meenaengineer13, 5 months ago

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Answered by Flaunt
239

Question

Q4.Check out the following numbers are in proportion

30,45,16,24

Q5.if the numbers x,12and 48 are in continued proportion ,find the value of x

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Q4.

30:45::16:24

it means the ratio of 30/45 be equal to 16/24

=>30/45=2/3

=>16/24=2/3

Since , the ratio of 30/45 & 16/24 are equal.

so,30,45,16 ,24 numbers are in proportion.

Q5.

x:12::12:48

=>12×12=48x

=>144=48x

=>x=144/48=3

x=3

Extra information=>

Ratio

When a fraction shown in the form of ratio e.g,a:b then it is said to be in ratio.

Proportion

When two ratios are equal then we use proportion ::

Continued Proportion

When consecutive ratio are equal in simple words ,when the ratio of first and second quantity is equal to the ratio of second and third quantity.

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