Home / 9,149.22-13,742.20-5,458.65

Finding the Fourth Proportional to 9,149.22, 13,742.20 and 5,458.65

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Solution

The fourth proportional to 9,149.22, 13,742.20 and 5,458.65 is: 8,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.22 : 13,742.20 = 5,458.65 : x
  2. Step 2: Convert to fraction form
    9,149.22/13,742.20 = 5,458.65/x
  3. Step 3: Cross multiply
    9,149.22x = 13,742.20 × 5,458.65
  4. Step 4: Simplify right side
    9,149.22x = 75,013,860.03
  5. Step 5: Solve for x
    x = 75,013,860.03/9,149.22
  6. Step 6: Final answer
    x = 8,198.93

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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.