Home / 9,591.28-13,230.88-6,601.92

Finding the Fourth Proportional to 9,591.28, 13,230.88 and 6,601.92

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Solution

The fourth proportional to 9,591.28, 13,230.88 and 6,601.92 is: 9,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,591.28 : 13,230.88 = 6,601.92 : x
  2. Step 2: Convert to fraction form
    9,591.28/13,230.88 = 6,601.92/x
  3. Step 3: Cross multiply
    9,591.28x = 13,230.88 × 6,601.92
  4. Step 4: Simplify right side
    9,591.28x = 87,349,211.29
  5. Step 5: Solve for x
    x = 87,349,211.29/9,591.28
  6. Step 6: Final answer
    x = 9,107.15

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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.