Home / 10,879.25-16,320.08-3,481.97

Finding the Fourth Proportional to 10,879.25, 16,320.08 and 3,481.97

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Solution

The fourth proportional to 10,879.25, 16,320.08 and 3,481.97 is: 5,223.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.25 : 16,320.08 = 3,481.97 : x
  2. Step 2: Convert to fraction form
    10,879.25/16,320.08 = 3,481.97/x
  3. Step 3: Cross multiply
    10,879.25x = 16,320.08 × 3,481.97
  4. Step 4: Simplify right side
    10,879.25x = 56,826,011.55
  5. Step 5: Solve for x
    x = 56,826,011.55/10,879.25
  6. Step 6: Final answer
    x = 5,223.34

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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.