Home / 8,851.06-12,220.10-5,498.79

Finding the Fourth Proportional to 8,851.06, 12,220.10 and 5,498.79

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Solution

The fourth proportional to 8,851.06, 12,220.10 and 5,498.79 is: 7,591.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.06 : 12,220.10 = 5,498.79 : x
  2. Step 2: Convert to fraction form
    8,851.06/12,220.10 = 5,498.79/x
  3. Step 3: Cross multiply
    8,851.06x = 12,220.10 × 5,498.79
  4. Step 4: Simplify right side
    8,851.06x = 67,195,763.68
  5. Step 5: Solve for x
    x = 67,195,763.68/8,851.06
  6. Step 6: Final answer
    x = 7,591.83

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Half scale
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Double scale
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Similar ratio
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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.