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Finding the Fourth Proportional to 11,351.76, 16,994.76 and 9,481.87

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Solution

The fourth proportional to 11,351.76, 16,994.76 and 9,481.87 is: 14,195.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.76 : 16,994.76 = 9,481.87 : x
  2. Step 2: Convert to fraction form
    11,351.76/16,994.76 = 9,481.87/x
  3. Step 3: Cross multiply
    11,351.76x = 16,994.76 × 9,481.87
  4. Step 4: Simplify right side
    11,351.76x = 161,142,105.00
  5. Step 5: Solve for x
    x = 161,142,105.00/11,351.76
  6. Step 6: Final answer
    x = 14,195.34

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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.