Home / 10,884.92-15,023.86-6,171.96

Finding the Fourth Proportional to 10,884.92, 15,023.86 and 6,171.96

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Solution

The fourth proportional to 10,884.92, 15,023.86 and 6,171.96 is: 8,518.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,884.92 : 15,023.86 = 6,171.96 : x
  2. Step 2: Convert to fraction form
    10,884.92/15,023.86 = 6,171.96/x
  3. Step 3: Cross multiply
    10,884.92x = 15,023.86 × 6,171.96
  4. Step 4: Simplify right side
    10,884.92x = 92,726,662.97
  5. Step 5: Solve for x
    x = 92,726,662.97/10,884.92
  6. Step 6: Final answer
    x = 8,518.82

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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.