Home / 8,079.36-12,119.10-2,236.44

Finding the Fourth Proportional to 8,079.36, 12,119.10 and 2,236.44

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Solution

The fourth proportional to 8,079.36, 12,119.10 and 2,236.44 is: 3,354.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.36 : 12,119.10 = 2,236.44 : x
  2. Step 2: Convert to fraction form
    8,079.36/12,119.10 = 2,236.44/x
  3. Step 3: Cross multiply
    8,079.36x = 12,119.10 × 2,236.44
  4. Step 4: Simplify right side
    8,079.36x = 27,103,640.00
  5. Step 5: Solve for x
    x = 27,103,640.00/8,079.36
  6. Step 6: Final answer
    x = 3,354.68

Related Problems

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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.