Home / 11,591.06-17,376.18-4,193.78

Finding the Fourth Proportional to 11,591.06, 17,376.18 and 4,193.78

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Solution

The fourth proportional to 11,591.06, 17,376.18 and 4,193.78 is: 6,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.06 : 17,376.18 = 4,193.78 : x
  2. Step 2: Convert to fraction form
    11,591.06/17,376.18 = 4,193.78/x
  3. Step 3: Cross multiply
    11,591.06x = 17,376.18 × 4,193.78
  4. Step 4: Simplify right side
    11,591.06x = 72,871,876.16
  5. Step 5: Solve for x
    x = 72,871,876.16/11,591.06
  6. Step 6: Final answer
    x = 6,286.90

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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.