Home / 9,372.50-12,934.23-5,180.66

Finding the Fourth Proportional to 9,372.50, 12,934.23 and 5,180.66

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Solution

The fourth proportional to 9,372.50, 12,934.23 and 5,180.66 is: 7,149.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.50 : 12,934.23 = 5,180.66 : x
  2. Step 2: Convert to fraction form
    9,372.50/12,934.23 = 5,180.66/x
  3. Step 3: Cross multiply
    9,372.50x = 12,934.23 × 5,180.66
  4. Step 4: Simplify right side
    9,372.50x = 67,007,847.99
  5. Step 5: Solve for x
    x = 67,007,847.99/9,372.50
  6. Step 6: Final answer
    x = 7,149.41

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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.