Home / 11,086.20-16,581.30-9,924.60

Finding the Fourth Proportional to 11,086.20, 16,581.30 and 9,924.60

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Solution

The fourth proportional to 11,086.20, 16,581.30 and 9,924.60 is: 14,843.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.20 : 16,581.30 = 9,924.60 : x
  2. Step 2: Convert to fraction form
    11,086.20/16,581.30 = 9,924.60/x
  3. Step 3: Cross multiply
    11,086.20x = 16,581.30 × 9,924.60
  4. Step 4: Simplify right side
    11,086.20x = 164,562,769.98
  5. Step 5: Solve for x
    x = 164,562,769.98/11,086.20
  6. Step 6: Final answer
    x = 14,843.93

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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.