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Finding the Fourth Proportional to 8,859.31, 12,224.06 and 6,734.27

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Solution

The fourth proportional to 8,859.31, 12,224.06 and 6,734.27 is: 9,291.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.31 : 12,224.06 = 6,734.27 : x
  2. Step 2: Convert to fraction form
    8,859.31/12,224.06 = 6,734.27/x
  3. Step 3: Cross multiply
    8,859.31x = 12,224.06 × 6,734.27
  4. Step 4: Simplify right side
    8,859.31x = 82,320,180.56
  5. Step 5: Solve for x
    x = 82,320,180.56/8,859.31
  6. Step 6: Final answer
    x = 9,291.94

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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.