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Finding the Fourth Proportional to 8,713.82, 12,025.13 and 4,734.97

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Solution

The fourth proportional to 8,713.82, 12,025.13 and 4,734.97 is: 6,534.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.82 : 12,025.13 = 4,734.97 : x
  2. Step 2: Convert to fraction form
    8,713.82/12,025.13 = 4,734.97/x
  3. Step 3: Cross multiply
    8,713.82x = 12,025.13 × 4,734.97
  4. Step 4: Simplify right side
    8,713.82x = 56,938,576.06
  5. Step 5: Solve for x
    x = 56,938,576.06/8,713.82
  6. Step 6: Final answer
    x = 6,534.28

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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.