Home / 11,382.05-17,073.08-3,591.47

Finding the Fourth Proportional to 11,382.05, 17,073.08 and 3,591.47

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Solution

The fourth proportional to 11,382.05, 17,073.08 and 3,591.47 is: 5,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,382.05 : 17,073.08 = 3,591.47 : x
  2. Step 2: Convert to fraction form
    11,382.05/17,073.08 = 3,591.47/x
  3. Step 3: Cross multiply
    11,382.05x = 17,073.08 × 3,591.47
  4. Step 4: Simplify right side
    11,382.05x = 61,317,351.30
  5. Step 5: Solve for x
    x = 61,317,351.30/11,382.05
  6. Step 6: Final answer
    x = 5,387.20

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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.