Home / 10,998.13-16,493.97-3,100.12

Finding the Fourth Proportional to 10,998.13, 16,493.97 and 3,100.12

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Solution

The fourth proportional to 10,998.13, 16,493.97 and 3,100.12 is: 4,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.13 : 16,493.97 = 3,100.12 : x
  2. Step 2: Convert to fraction form
    10,998.13/16,493.97 = 3,100.12/x
  3. Step 3: Cross multiply
    10,998.13x = 16,493.97 × 3,100.12
  4. Step 4: Simplify right side
    10,998.13x = 51,133,286.28
  5. Step 5: Solve for x
    x = 51,133,286.28/10,998.13
  6. Step 6: Final answer
    x = 4,649.27

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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.