Home / 11,001.30-15,178.08-7,024.71

Finding the Fourth Proportional to 11,001.30, 15,178.08 and 7,024.71

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Solution

The fourth proportional to 11,001.30, 15,178.08 and 7,024.71 is: 9,691.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.30 : 15,178.08 = 7,024.71 : x
  2. Step 2: Convert to fraction form
    11,001.30/15,178.08 = 7,024.71/x
  3. Step 3: Cross multiply
    11,001.30x = 15,178.08 × 7,024.71
  4. Step 4: Simplify right side
    11,001.30x = 106,621,610.36
  5. Step 5: Solve for x
    x = 106,621,610.36/11,001.30
  6. Step 6: Final answer
    x = 9,691.73

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1.5x scale

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.