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Finding the Fourth Proportional to 8,252.70, 12,364.64 and 6,874.89

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Solution

The fourth proportional to 8,252.70, 12,364.64 and 6,874.89 is: 10,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.70 : 12,364.64 = 6,874.89 : x
  2. Step 2: Convert to fraction form
    8,252.70/12,364.64 = 6,874.89/x
  3. Step 3: Cross multiply
    8,252.70x = 12,364.64 × 6,874.89
  4. Step 4: Simplify right side
    8,252.70x = 85,005,539.89
  5. Step 5: Solve for x
    x = 85,005,539.89/8,252.70
  6. Step 6: Final answer
    x = 10,300.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.