Home / 11,910.11-16,435.85-6,604.92

Finding the Fourth Proportional to 11,910.11, 16,435.85 and 6,604.92

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Solution

The fourth proportional to 11,910.11, 16,435.85 and 6,604.92 is: 9,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.11 : 16,435.85 = 6,604.92 : x
  2. Step 2: Convert to fraction form
    11,910.11/16,435.85 = 6,604.92/x
  3. Step 3: Cross multiply
    11,910.11x = 16,435.85 × 6,604.92
  4. Step 4: Simplify right side
    11,910.11x = 108,557,441.36
  5. Step 5: Solve for x
    x = 108,557,441.36/11,910.11
  6. Step 6: Final answer
    x = 9,114.73

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.