Home / 8,760.56-13,135.92-2,914.04

Finding the Fourth Proportional to 8,760.56, 13,135.92 and 2,914.04

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Solution

The fourth proportional to 8,760.56, 13,135.92 and 2,914.04 is: 4,369.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.56 : 13,135.92 = 2,914.04 : x
  2. Step 2: Convert to fraction form
    8,760.56/13,135.92 = 2,914.04/x
  3. Step 3: Cross multiply
    8,760.56x = 13,135.92 × 2,914.04
  4. Step 4: Simplify right side
    8,760.56x = 38,278,596.32
  5. Step 5: Solve for x
    x = 38,278,596.32/8,760.56
  6. Step 6: Final answer
    x = 4,369.42

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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.