Concept explainers
To calculate: The solution of the proportion.
Answer to Problem 6.5.1EP
The required solution is 9.
Explanation of Solution
Given information:
The proportion:
Calculation:
The given proportion is
To find the solution of the given expression, find the greatest common factor of 49 and 63 in the above proportion.
So, the greatest common factor of 49 and 63 is 7.
Divide the right hand side of the above proportion by 7.
Apply cross-multiplication on the above proportion and simplify for k .
Divide both sides of the above expression by 7.
Hence, the required solution is 9.
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