Home / 8,720.92-13,076.52-4,332.88

Finding the Fourth Proportional to 8,720.92, 13,076.52 and 4,332.88

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Solution

The fourth proportional to 8,720.92, 13,076.52 and 4,332.88 is: 6,496.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.92 : 13,076.52 = 4,332.88 : x
  2. Step 2: Convert to fraction form
    8,720.92/13,076.52 = 4,332.88/x
  3. Step 3: Cross multiply
    8,720.92x = 13,076.52 × 4,332.88
  4. Step 4: Simplify right side
    8,720.92x = 56,658,991.98
  5. Step 5: Solve for x
    x = 56,658,991.98/8,720.92
  6. Step 6: Final answer
    x = 6,496.91

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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.