Home / 9,079.94-12,531-5,543.83

Finding the Fourth Proportional to 9,079.94, 12,531 and 5,543.83

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Solution

The fourth proportional to 9,079.94, 12,531 and 5,543.83 is: 7,650.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.94 : 12,531 = 5,543.83 : x
  2. Step 2: Convert to fraction form
    9,079.94/12,531 = 5,543.83/x
  3. Step 3: Cross multiply
    9,079.94x = 12,531 × 5,543.83
  4. Step 4: Simplify right side
    9,079.94x = 69,469,733.73
  5. Step 5: Solve for x
    x = 69,469,733.73/9,079.94
  6. Step 6: Final answer
    x = 7,650.90

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Double scale
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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.