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Finding the Fourth Proportional to 8,258.56, 12,391.88 and 4,098.96

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Solution

The fourth proportional to 8,258.56, 12,391.88 and 4,098.96 is: 6,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.56 : 12,391.88 = 4,098.96 : x
  2. Step 2: Convert to fraction form
    8,258.56/12,391.88 = 4,098.96/x
  3. Step 3: Cross multiply
    8,258.56x = 12,391.88 × 4,098.96
  4. Step 4: Simplify right side
    8,258.56x = 50,793,820.44
  5. Step 5: Solve for x
    x = 50,793,820.44/8,258.56
  6. Step 6: Final answer
    x = 6,150.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.