Home / 9,217.38-13,826.20-2,291.88

Finding the Fourth Proportional to 9,217.38, 13,826.20 and 2,291.88

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Solution

The fourth proportional to 9,217.38, 13,826.20 and 2,291.88 is: 3,437.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.38 : 13,826.20 = 2,291.88 : x
  2. Step 2: Convert to fraction form
    9,217.38/13,826.20 = 2,291.88/x
  3. Step 3: Cross multiply
    9,217.38x = 13,826.20 × 2,291.88
  4. Step 4: Simplify right side
    9,217.38x = 31,687,991.26
  5. Step 5: Solve for x
    x = 31,687,991.26/9,217.38
  6. Step 6: Final answer
    x = 3,437.85

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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.