Home / 9,517.20-13,138.92-5,741.04

Finding the Fourth Proportional to 9,517.20, 13,138.92 and 5,741.04

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Solution

The fourth proportional to 9,517.20, 13,138.92 and 5,741.04 is: 7,925.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517.20 : 13,138.92 = 5,741.04 : x
  2. Step 2: Convert to fraction form
    9,517.20/13,138.92 = 5,741.04/x
  3. Step 3: Cross multiply
    9,517.20x = 13,138.92 × 5,741.04
  4. Step 4: Simplify right side
    9,517.20x = 75,431,065.28
  5. Step 5: Solve for x
    x = 75,431,065.28/9,517.20
  6. Step 6: Final answer
    x = 7,925.76

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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.