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Finding the Fourth Proportional to 8,863.08, 12,216.06 and 6,205.74

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Solution

The fourth proportional to 8,863.08, 12,216.06 and 6,205.74 is: 8,553.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.08 : 12,216.06 = 6,205.74 : x
  2. Step 2: Convert to fraction form
    8,863.08/12,216.06 = 6,205.74/x
  3. Step 3: Cross multiply
    8,863.08x = 12,216.06 × 6,205.74
  4. Step 4: Simplify right side
    8,863.08x = 75,809,692.18
  5. Step 5: Solve for x
    x = 75,809,692.18/8,863.08
  6. Step 6: Final answer
    x = 8,553.43

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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.