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Finding the Fourth Proportional to 9,170.70, 12,659.13 and 6,027.90

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Solution

The fourth proportional to 9,170.70, 12,659.13 and 6,027.90 is: 8,320.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.70 : 12,659.13 = 6,027.90 : x
  2. Step 2: Convert to fraction form
    9,170.70/12,659.13 = 6,027.90/x
  3. Step 3: Cross multiply
    9,170.70x = 12,659.13 × 6,027.90
  4. Step 4: Simplify right side
    9,170.70x = 76,307,969.73
  5. Step 5: Solve for x
    x = 76,307,969.73/9,170.70
  6. Step 6: Final answer
    x = 8,320.84

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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.