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Finding the Fourth Proportional to 7,906.92, 11,863.26 and 4,013.16

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Solution

The fourth proportional to 7,906.92, 11,863.26 and 4,013.16 is: 6,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.92 : 11,863.26 = 4,013.16 : x
  2. Step 2: Convert to fraction form
    7,906.92/11,863.26 = 4,013.16/x
  3. Step 3: Cross multiply
    7,906.92x = 11,863.26 × 4,013.16
  4. Step 4: Simplify right side
    7,906.92x = 47,609,160.50
  5. Step 5: Solve for x
    x = 47,609,160.50/7,906.92
  6. Step 6: Final answer
    x = 6,021.20

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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.