Home / 10,976.91-16,469.07-3,481.70

Finding the Fourth Proportional to 10,976.91, 16,469.07 and 3,481.70

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Solution

The fourth proportional to 10,976.91, 16,469.07 and 3,481.70 is: 5,223.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.91 : 16,469.07 = 3,481.70 : x
  2. Step 2: Convert to fraction form
    10,976.91/16,469.07 = 3,481.70/x
  3. Step 3: Cross multiply
    10,976.91x = 16,469.07 × 3,481.70
  4. Step 4: Simplify right side
    10,976.91x = 57,340,278.67
  5. Step 5: Solve for x
    x = 57,340,278.67/10,976.91
  6. Step 6: Final answer
    x = 5,223.72

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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.