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Finding the Fourth Proportional to 11,786.25, 16,265.03 and 6,481.41

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Solution

The fourth proportional to 11,786.25, 16,265.03 and 6,481.41 is: 8,944.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.25 : 16,265.03 = 6,481.41 : x
  2. Step 2: Convert to fraction form
    11,786.25/16,265.03 = 6,481.41/x
  3. Step 3: Cross multiply
    11,786.25x = 16,265.03 × 6,481.41
  4. Step 4: Simplify right side
    11,786.25x = 105,420,295.69
  5. Step 5: Solve for x
    x = 105,420,295.69/11,786.25
  6. Step 6: Final answer
    x = 8,944.35

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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.