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Finding the Fourth Proportional to 8,833.74, 12,190.85 and 4,855.15

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Solution

The fourth proportional to 8,833.74, 12,190.85 and 4,855.15 is: 6,700.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,833.74 : 12,190.85 = 4,855.15 : x
  2. Step 2: Convert to fraction form
    8,833.74/12,190.85 = 4,855.15/x
  3. Step 3: Cross multiply
    8,833.74x = 12,190.85 × 4,855.15
  4. Step 4: Simplify right side
    8,833.74x = 59,188,405.38
  5. Step 5: Solve for x
    x = 59,188,405.38/8,833.74
  6. Step 6: Final answer
    x = 6,700.27

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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.