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Finding the Fourth Proportional to 8,874.12, 12,246.34 and 4,895.34

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Solution

The fourth proportional to 8,874.12, 12,246.34 and 4,895.34 is: 6,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.12 : 12,246.34 = 4,895.34 : x
  2. Step 2: Convert to fraction form
    8,874.12/12,246.34 = 4,895.34/x
  3. Step 3: Cross multiply
    8,874.12x = 12,246.34 × 4,895.34
  4. Step 4: Simplify right side
    8,874.12x = 59,949,998.06
  5. Step 5: Solve for x
    x = 59,949,998.06/8,874.12
  6. Step 6: Final answer
    x = 6,755.60

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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.