Home / 13,177.28-19,765.92-6,060.80

Finding the Fourth Proportional to 13,177.28, 19,765.92 and 6,060.80

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Solution

The fourth proportional to 13,177.28, 19,765.92 and 6,060.80 is: 9,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.28 : 19,765.92 = 6,060.80 : x
  2. Step 2: Convert to fraction form
    13,177.28/19,765.92 = 6,060.80/x
  3. Step 3: Cross multiply
    13,177.28x = 19,765.92 × 6,060.80
  4. Step 4: Simplify right side
    13,177.28x = 119,797,287.94
  5. Step 5: Solve for x
    x = 119,797,287.94/13,177.28
  6. Step 6: Final answer
    x = 9,091.20

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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.