Home / 11,078.62-16,553.06-10,691.04

Finding the Fourth Proportional to 11,078.62, 16,553.06 and 10,691.04

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Solution

The fourth proportional to 11,078.62, 16,553.06 and 10,691.04 is: 15,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.62 : 16,553.06 = 10,691.04 : x
  2. Step 2: Convert to fraction form
    11,078.62/16,553.06 = 10,691.04/x
  3. Step 3: Cross multiply
    11,078.62x = 16,553.06 × 10,691.04
  4. Step 4: Simplify right side
    11,078.62x = 176,969,382.18
  5. Step 5: Solve for x
    x = 176,969,382.18/11,078.62
  6. Step 6: Final answer
    x = 15,973.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.