Home / 9,168.90-13,753.35-5,902.76

Finding the Fourth Proportional to 9,168.90, 13,753.35 and 5,902.76

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Solution

The fourth proportional to 9,168.90, 13,753.35 and 5,902.76 is: 8,854.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.90 : 13,753.35 = 5,902.76 : x
  2. Step 2: Convert to fraction form
    9,168.90/13,753.35 = 5,902.76/x
  3. Step 3: Cross multiply
    9,168.90x = 13,753.35 × 5,902.76
  4. Step 4: Simplify right side
    9,168.90x = 81,182,655.48
  5. Step 5: Solve for x
    x = 81,182,655.48/9,168.90
  6. Step 6: Final answer
    x = 8,854.13

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1.5x scale

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.