Home / 10,006.48-15,001.56-4,167.28

Finding the Fourth Proportional to 10,006.48, 15,001.56 and 4,167.28

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Solution

The fourth proportional to 10,006.48, 15,001.56 and 4,167.28 is: 6,247.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.48 : 15,001.56 = 4,167.28 : x
  2. Step 2: Convert to fraction form
    10,006.48/15,001.56 = 4,167.28/x
  3. Step 3: Cross multiply
    10,006.48x = 15,001.56 × 4,167.28
  4. Step 4: Simplify right side
    10,006.48x = 62,515,700.96
  5. Step 5: Solve for x
    x = 62,515,700.96/10,006.48
  6. Step 6: Final answer
    x = 6,247.52

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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.