Home / 7,372.86-11,044.50-3,663.90

Finding the Fourth Proportional to 7,372.86, 11,044.50 and 3,663.90

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Solution

The fourth proportional to 7,372.86, 11,044.50 and 3,663.90 is: 5,488.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.86 : 11,044.50 = 3,663.90 : x
  2. Step 2: Convert to fraction form
    7,372.86/11,044.50 = 3,663.90/x
  3. Step 3: Cross multiply
    7,372.86x = 11,044.50 × 3,663.90
  4. Step 4: Simplify right side
    7,372.86x = 40,465,943.55
  5. Step 5: Solve for x
    x = 40,465,943.55/7,372.86
  6. Step 6: Final answer
    x = 5,488.50

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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.