Home / 11,324.43-16,981.18-4,748.85

Finding the Fourth Proportional to 11,324.43, 16,981.18 and 4,748.85

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Solution

The fourth proportional to 11,324.43, 16,981.18 and 4,748.85 is: 7,120.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.43 : 16,981.18 = 4,748.85 : x
  2. Step 2: Convert to fraction form
    11,324.43/16,981.18 = 4,748.85/x
  3. Step 3: Cross multiply
    11,324.43x = 16,981.18 × 4,748.85
  4. Step 4: Simplify right side
    11,324.43x = 80,641,052.90
  5. Step 5: Solve for x
    x = 80,641,052.90/11,324.43
  6. Step 6: Final answer
    x = 7,120.98

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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.