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Finding the Fourth Proportional to 8,874.83, 12,247.35 and 4,895.90

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Solution

The fourth proportional to 8,874.83, 12,247.35 and 4,895.90 is: 6,756.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.83 : 12,247.35 = 4,895.90 : x
  2. Step 2: Convert to fraction form
    8,874.83/12,247.35 = 4,895.90/x
  3. Step 3: Cross multiply
    8,874.83x = 12,247.35 × 4,895.90
  4. Step 4: Simplify right side
    8,874.83x = 59,961,800.87
  5. Step 5: Solve for x
    x = 59,961,800.87/8,874.83
  6. Step 6: Final answer
    x = 6,756.39

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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.