Home / 8,972.26-13,458.40-2,732.64

Finding the Fourth Proportional to 8,972.26, 13,458.40 and 2,732.64

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Solution

The fourth proportional to 8,972.26, 13,458.40 and 2,732.64 is: 4,098.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.26 : 13,458.40 = 2,732.64 : x
  2. Step 2: Convert to fraction form
    8,972.26/13,458.40 = 2,732.64/x
  3. Step 3: Cross multiply
    8,972.26x = 13,458.40 × 2,732.64
  4. Step 4: Simplify right side
    8,972.26x = 36,776,962.18
  5. Step 5: Solve for x
    x = 36,776,962.18/8,972.26
  6. Step 6: Final answer
    x = 4,098.96

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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.