Home / 11,699.80-17,552.76-5,127.28

Finding the Fourth Proportional to 11,699.80, 17,552.76 and 5,127.28

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Solution

The fourth proportional to 11,699.80, 17,552.76 and 5,127.28 is: 7,692.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.80 : 17,552.76 = 5,127.28 : x
  2. Step 2: Convert to fraction form
    11,699.80/17,552.76 = 5,127.28/x
  3. Step 3: Cross multiply
    11,699.80x = 17,552.76 × 5,127.28
  4. Step 4: Simplify right side
    11,699.80x = 89,997,915.29
  5. Step 5: Solve for x
    x = 89,997,915.29/11,699.80
  6. Step 6: Final answer
    x = 7,692.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.