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Finding the Fourth Proportional to 8,162.76, 12,248.19 and 3,235.92

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Solution

The fourth proportional to 8,162.76, 12,248.19 and 3,235.92 is: 4,855.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.76 : 12,248.19 = 3,235.92 : x
  2. Step 2: Convert to fraction form
    8,162.76/12,248.19 = 3,235.92/x
  3. Step 3: Cross multiply
    8,162.76x = 12,248.19 × 3,235.92
  4. Step 4: Simplify right side
    8,162.76x = 39,634,162.98
  5. Step 5: Solve for x
    x = 39,634,162.98/8,162.76
  6. Step 6: Final answer
    x = 4,855.49

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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.