Home / 11,191.67-15,444.08-6,155.84

Finding the Fourth Proportional to 11,191.67, 15,444.08 and 6,155.84

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Solution

The fourth proportional to 11,191.67, 15,444.08 and 6,155.84 is: 8,494.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.67 : 15,444.08 = 6,155.84 : x
  2. Step 2: Convert to fraction form
    11,191.67/15,444.08 = 6,155.84/x
  3. Step 3: Cross multiply
    11,191.67x = 15,444.08 × 6,155.84
  4. Step 4: Simplify right side
    11,191.67x = 95,071,177.43
  5. Step 5: Solve for x
    x = 95,071,177.43/11,191.67
  6. Step 6: Final answer
    x = 8,494.82

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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.