Home / 11,112.83-16,644.57-7,983.44

Finding the Fourth Proportional to 11,112.83, 16,644.57 and 7,983.44

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Solution

The fourth proportional to 11,112.83, 16,644.57 and 7,983.44 is: 11,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.83 : 16,644.57 = 7,983.44 : x
  2. Step 2: Convert to fraction form
    11,112.83/16,644.57 = 7,983.44/x
  3. Step 3: Cross multiply
    11,112.83x = 16,644.57 × 7,983.44
  4. Step 4: Simplify right side
    11,112.83x = 132,880,906.39
  5. Step 5: Solve for x
    x = 132,880,906.39/11,112.83
  6. Step 6: Final answer
    x = 11,957.44

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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.