Home / 9,179.44-12,654.34-6,785.92

Finding the Fourth Proportional to 9,179.44, 12,654.34 and 6,785.92

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Solution

The fourth proportional to 9,179.44, 12,654.34 and 6,785.92 is: 9,354.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.44 : 12,654.34 = 6,785.92 : x
  2. Step 2: Convert to fraction form
    9,179.44/12,654.34 = 6,785.92/x
  3. Step 3: Cross multiply
    9,179.44x = 12,654.34 × 6,785.92
  4. Step 4: Simplify right side
    9,179.44x = 85,871,338.89
  5. Step 5: Solve for x
    x = 85,871,338.89/9,179.44
  6. Step 6: Final answer
    x = 9,354.75

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.