Home / 8,756.70-13,167.45-7,331.10

Finding the Fourth Proportional to 8,756.70, 13,167.45 and 7,331.10

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Solution

The fourth proportional to 8,756.70, 13,167.45 and 7,331.10 is: 11,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.70 : 13,167.45 = 7,331.10 : x
  2. Step 2: Convert to fraction form
    8,756.70/13,167.45 = 7,331.10/x
  3. Step 3: Cross multiply
    8,756.70x = 13,167.45 × 7,331.10
  4. Step 4: Simplify right side
    8,756.70x = 96,531,892.70
  5. Step 5: Solve for x
    x = 96,531,892.70/8,756.70
  6. Step 6: Final answer
    x = 11,023.78

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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.