Home / 10,901.25-16,321.50-9,326.61

Finding the Fourth Proportional to 10,901.25, 16,321.50 and 9,326.61

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Solution

The fourth proportional to 10,901.25, 16,321.50 and 9,326.61 is: 13,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.25 : 16,321.50 = 9,326.61 : x
  2. Step 2: Convert to fraction form
    10,901.25/16,321.50 = 9,326.61/x
  3. Step 3: Cross multiply
    10,901.25x = 16,321.50 × 9,326.61
  4. Step 4: Simplify right side
    10,901.25x = 152,224,265.12
  5. Step 5: Solve for x
    x = 152,224,265.12/10,901.25
  6. Step 6: Final answer
    x = 13,963.93

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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.