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Finding the Fourth Proportional to 12,436.86, 17,162.85 and 6,847.86

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Solution

The fourth proportional to 12,436.86, 17,162.85 and 6,847.86 is: 9,450.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.86 : 17,162.85 = 6,847.86 : x
  2. Step 2: Convert to fraction form
    12,436.86/17,162.85 = 6,847.86/x
  3. Step 3: Cross multiply
    12,436.86x = 17,162.85 × 6,847.86
  4. Step 4: Simplify right side
    12,436.86x = 117,528,794.00
  5. Step 5: Solve for x
    x = 117,528,794.00/12,436.86
  6. Step 6: Final answer
    x = 9,450.04

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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.