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Finding the Fourth Proportional to 8,163.48, 12,235.50 and 5,684.88

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Solution

The fourth proportional to 8,163.48, 12,235.50 and 5,684.88 is: 8,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.48 : 12,235.50 = 5,684.88 : x
  2. Step 2: Convert to fraction form
    8,163.48/12,235.50 = 5,684.88/x
  3. Step 3: Cross multiply
    8,163.48x = 12,235.50 × 5,684.88
  4. Step 4: Simplify right side
    8,163.48x = 69,557,349.24
  5. Step 5: Solve for x
    x = 69,557,349.24/8,163.48
  6. Step 6: Final answer
    x = 8,520.55

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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.