Home / 8,964.20-13,446.72-2,725.11

Finding the Fourth Proportional to 8,964.20, 13,446.72 and 2,725.11

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Solution

The fourth proportional to 8,964.20, 13,446.72 and 2,725.11 is: 4,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.20 : 13,446.72 = 2,725.11 : x
  2. Step 2: Convert to fraction form
    8,964.20/13,446.72 = 2,725.11/x
  3. Step 3: Cross multiply
    8,964.20x = 13,446.72 × 2,725.11
  4. Step 4: Simplify right side
    8,964.20x = 36,643,791.14
  5. Step 5: Solve for x
    x = 36,643,791.14/8,964.20
  6. Step 6: Final answer
    x = 4,087.79

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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.