Home / 8,617.11-12,924.42-2,772.96

Finding the Fourth Proportional to 8,617.11, 12,924.42 and 2,772.96

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Solution

The fourth proportional to 8,617.11, 12,924.42 and 2,772.96 is: 4,159.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,617.11 : 12,924.42 = 2,772.96 : x
  2. Step 2: Convert to fraction form
    8,617.11/12,924.42 = 2,772.96/x
  3. Step 3: Cross multiply
    8,617.11x = 12,924.42 × 2,772.96
  4. Step 4: Simplify right side
    8,617.11x = 35,838,899.68
  5. Step 5: Solve for x
    x = 35,838,899.68/8,617.11
  6. Step 6: Final answer
    x = 4,159.04

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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.