Home / 11,661.14-16,091.88-6,355.83

Finding the Fourth Proportional to 11,661.14, 16,091.88 and 6,355.83

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Solution

The fourth proportional to 11,661.14, 16,091.88 and 6,355.83 is: 8,770.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.14 : 16,091.88 = 6,355.83 : x
  2. Step 2: Convert to fraction form
    11,661.14/16,091.88 = 6,355.83/x
  3. Step 3: Cross multiply
    11,661.14x = 16,091.88 × 6,355.83
  4. Step 4: Simplify right side
    11,661.14x = 102,277,253.66
  5. Step 5: Solve for x
    x = 102,277,253.66/11,661.14
  6. Step 6: Final answer
    x = 8,770.78

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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.