Finding the Fourth Proportional to 10,131.37, 13,982 and 5,656
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Solution
The fourth proportional to 10,131.37, 13,982 and 5,656 is: 7,805.68
Step by Step Solution
- Step 1: Write the proportion equation
10,131.37 : 13,982 = 5,656 : x - Step 2: Convert to fraction form
10,131.37/13,982 = 5,656/x - Step 3: Cross multiply
10,131.37x = 13,982 × 5,656 - Step 4: Simplify right side
10,131.37x = 79,082,192 - Step 5: Solve for x
x = 79,082,192/10,131.37 - Step 6: Final answer
x = 7,805.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.