Home / 9,132.74-13,689.26-4,455.90

Finding the Fourth Proportional to 9,132.74, 13,689.26 and 4,455.90

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Solution

The fourth proportional to 9,132.74, 13,689.26 and 4,455.90 is: 6,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.74 : 13,689.26 = 4,455.90 : x
  2. Step 2: Convert to fraction form
    9,132.74/13,689.26 = 4,455.90/x
  3. Step 3: Cross multiply
    9,132.74x = 13,689.26 × 4,455.90
  4. Step 4: Simplify right side
    9,132.74x = 60,997,951.35
  5. Step 5: Solve for x
    x = 60,997,951.35/9,132.74
  6. Step 6: Final answer
    x = 6,679.05

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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.