Home / 11,996.49-18,086.09-11,150.85

Finding the Fourth Proportional to 11,996.49, 18,086.09 and 11,150.85

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Solution

The fourth proportional to 11,996.49, 18,086.09 and 11,150.85 is: 16,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.49 : 18,086.09 = 11,150.85 : x
  2. Step 2: Convert to fraction form
    11,996.49/18,086.09 = 11,150.85/x
  3. Step 3: Cross multiply
    11,996.49x = 18,086.09 × 11,150.85
  4. Step 4: Simplify right side
    11,996.49x = 201,675,276.68
  5. Step 5: Solve for x
    x = 201,675,276.68/11,996.49
  6. Step 6: Final answer
    x = 16,811.19

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