Home / 9,112.53-12,577.17-5,337.68

Finding the Fourth Proportional to 9,112.53, 12,577.17 and 5,337.68

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Solution

The fourth proportional to 9,112.53, 12,577.17 and 5,337.68 is: 7,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.53 : 12,577.17 = 5,337.68 : x
  2. Step 2: Convert to fraction form
    9,112.53/12,577.17 = 5,337.68/x
  3. Step 3: Cross multiply
    9,112.53x = 12,577.17 × 5,337.68
  4. Step 4: Simplify right side
    9,112.53x = 67,132,936.64
  5. Step 5: Solve for x
    x = 67,132,936.64/9,112.53
  6. Step 6: Final answer
    x = 7,367.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.