Home / 8,186.20-12,279.30-5,594.20

Finding the Fourth Proportional to 8,186.20, 12,279.30 and 5,594.20

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Solution

The fourth proportional to 8,186.20, 12,279.30 and 5,594.20 is: 8,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.20 : 12,279.30 = 5,594.20 : x
  2. Step 2: Convert to fraction form
    8,186.20/12,279.30 = 5,594.20/x
  3. Step 3: Cross multiply
    8,186.20x = 12,279.30 × 5,594.20
  4. Step 4: Simplify right side
    8,186.20x = 68,692,860.06
  5. Step 5: Solve for x
    x = 68,692,860.06/8,186.20
  6. Step 6: Final answer
    x = 8,391.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.