Home / 11,191.68-15,444.19-6,155.89

Finding the Fourth Proportional to 11,191.68, 15,444.19 and 6,155.89

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Solution

The fourth proportional to 11,191.68, 15,444.19 and 6,155.89 is: 8,494.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.68 : 15,444.19 = 6,155.89 : x
  2. Step 2: Convert to fraction form
    11,191.68/15,444.19 = 6,155.89/x
  3. Step 3: Cross multiply
    11,191.68x = 15,444.19 × 6,155.89
  4. Step 4: Simplify right side
    11,191.68x = 95,072,772.93
  5. Step 5: Solve for x
    x = 95,072,772.93/11,191.68
  6. Step 6: Final answer
    x = 8,494.95

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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.