Home / 11,061.60-15,262.92-6,344.88

Finding the Fourth Proportional to 11,061.60, 15,262.92 and 6,344.88

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Solution

The fourth proportional to 11,061.60, 15,262.92 and 6,344.88 is: 8,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,061.60 : 15,262.92 = 6,344.88 : x
  2. Step 2: Convert to fraction form
    11,061.60/15,262.92 = 6,344.88/x
  3. Step 3: Cross multiply
    11,061.60x = 15,262.92 × 6,344.88
  4. Step 4: Simplify right side
    11,061.60x = 96,841,395.85
  5. Step 5: Solve for x
    x = 96,841,395.85/11,061.60
  6. Step 6: Final answer
    x = 8,754.74

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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.