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Finding the Fourth Proportional to 12,436.92, 17,162.91 and 6,847.92

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Solution

The fourth proportional to 12,436.92, 17,162.91 and 6,847.92 is: 9,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.92 : 17,162.91 = 6,847.92 : x
  2. Step 2: Convert to fraction form
    12,436.92/17,162.91 = 6,847.92/x
  3. Step 3: Cross multiply
    12,436.92x = 17,162.91 × 6,847.92
  4. Step 4: Simplify right side
    12,436.92x = 117,530,234.65
  5. Step 5: Solve for x
    x = 117,530,234.65/12,436.92
  6. Step 6: Final answer
    x = 9,450.11

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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.