Home / 11,258.10-16,887.15-11,193.30

Finding the Fourth Proportional to 11,258.10, 16,887.15 and 11,193.30

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Solution

The fourth proportional to 11,258.10, 16,887.15 and 11,193.30 is: 16,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.10 : 16,887.15 = 11,193.30 : x
  2. Step 2: Convert to fraction form
    11,258.10/16,887.15 = 11,193.30/x
  3. Step 3: Cross multiply
    11,258.10x = 16,887.15 × 11,193.30
  4. Step 4: Simplify right side
    11,258.10x = 189,022,936.10
  5. Step 5: Solve for x
    x = 189,022,936.10/11,258.10
  6. Step 6: Final answer
    x = 16,789.95

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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.