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Finding the Fourth Proportional to 8,895.02, 12,279.20 and 6,344.73

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Solution

The fourth proportional to 8,895.02, 12,279.20 and 6,344.73 is: 8,758.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.02 : 12,279.20 = 6,344.73 : x
  2. Step 2: Convert to fraction form
    8,895.02/12,279.20 = 6,344.73/x
  3. Step 3: Cross multiply
    8,895.02x = 12,279.20 × 6,344.73
  4. Step 4: Simplify right side
    8,895.02x = 77,908,176.89
  5. Step 5: Solve for x
    x = 77,908,176.89/8,895.02
  6. Step 6: Final answer
    x = 8,758.63

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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.