Home / 13,001.17-17,939.61-7,335.47

Finding the Fourth Proportional to 13,001.17, 17,939.61 and 7,335.47

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Solution

The fourth proportional to 13,001.17, 17,939.61 and 7,335.47 is: 10,121.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.17 : 17,939.61 = 7,335.47 : x
  2. Step 2: Convert to fraction form
    13,001.17/17,939.61 = 7,335.47/x
  3. Step 3: Cross multiply
    13,001.17x = 17,939.61 × 7,335.47
  4. Step 4: Simplify right side
    13,001.17x = 131,595,470.97
  5. Step 5: Solve for x
    x = 131,595,470.97/13,001.17
  6. Step 6: Final answer
    x = 10,121.82

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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.