Home / 11,731.38-16,183.17-7,253.70

Finding the Fourth Proportional to 11,731.38, 16,183.17 and 7,253.70

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Solution

The fourth proportional to 11,731.38, 16,183.17 and 7,253.70 is: 10,006.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.38 : 16,183.17 = 7,253.70 : x
  2. Step 2: Convert to fraction form
    11,731.38/16,183.17 = 7,253.70/x
  3. Step 3: Cross multiply
    11,731.38x = 16,183.17 × 7,253.70
  4. Step 4: Simplify right side
    11,731.38x = 117,387,860.23
  5. Step 5: Solve for x
    x = 117,387,860.23/11,731.38
  6. Step 6: Final answer
    x = 10,006.31

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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.