Home / 10,187.92-15,284.27-3,167.57

Finding the Fourth Proportional to 10,187.92, 15,284.27 and 3,167.57

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Solution

The fourth proportional to 10,187.92, 15,284.27 and 3,167.57 is: 4,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.92 : 15,284.27 = 3,167.57 : x
  2. Step 2: Convert to fraction form
    10,187.92/15,284.27 = 3,167.57/x
  3. Step 3: Cross multiply
    10,187.92x = 15,284.27 × 3,167.57
  4. Step 4: Simplify right side
    10,187.92x = 48,413,995.12
  5. Step 5: Solve for x
    x = 48,413,995.12/10,187.92
  6. Step 6: Final answer
    x = 4,752.10

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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.