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Finding the Fourth Proportional to 8,836.86, 12,181.98 and 6,175.98

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Solution

The fourth proportional to 8,836.86, 12,181.98 and 6,175.98 is: 8,513.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.86 : 12,181.98 = 6,175.98 : x
  2. Step 2: Convert to fraction form
    8,836.86/12,181.98 = 6,175.98/x
  3. Step 3: Cross multiply
    8,836.86x = 12,181.98 × 6,175.98
  4. Step 4: Simplify right side
    8,836.86x = 75,235,664.84
  5. Step 5: Solve for x
    x = 75,235,664.84/8,836.86
  6. Step 6: Final answer
    x = 8,513.85

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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.