Home / 8,079.48-12,119.24-2,236.11

Finding the Fourth Proportional to 8,079.48, 12,119.24 and 2,236.11

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Solution

The fourth proportional to 8,079.48, 12,119.24 and 2,236.11 is: 3,354.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.48 : 12,119.24 = 2,236.11 : x
  2. Step 2: Convert to fraction form
    8,079.48/12,119.24 = 2,236.11/x
  3. Step 3: Cross multiply
    8,079.48x = 12,119.24 × 2,236.11
  4. Step 4: Simplify right side
    8,079.48x = 27,099,942.58
  5. Step 5: Solve for x
    x = 27,099,942.58/8,079.48
  6. Step 6: Final answer
    x = 3,354.17

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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.