Home / 11,040.46-16,560.88-3,143.18

Finding the Fourth Proportional to 11,040.46, 16,560.88 and 3,143.18

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Solution

The fourth proportional to 11,040.46, 16,560.88 and 3,143.18 is: 4,714.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.46 : 16,560.88 = 3,143.18 : x
  2. Step 2: Convert to fraction form
    11,040.46/16,560.88 = 3,143.18/x
  3. Step 3: Cross multiply
    11,040.46x = 16,560.88 × 3,143.18
  4. Step 4: Simplify right side
    11,040.46x = 52,053,826.80
  5. Step 5: Solve for x
    x = 52,053,826.80/11,040.46
  6. Step 6: Final answer
    x = 4,714.82

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Double scale
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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.