Home / 11,631.54-17,447.99-4,236.78

Finding the Fourth Proportional to 11,631.54, 17,447.99 and 4,236.78

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Solution

The fourth proportional to 11,631.54, 17,447.99 and 4,236.78 is: 6,355.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.54 : 17,447.99 = 4,236.78 : x
  2. Step 2: Convert to fraction form
    11,631.54/17,447.99 = 4,236.78/x
  3. Step 3: Cross multiply
    11,631.54x = 17,447.99 × 4,236.78
  4. Step 4: Simplify right side
    11,631.54x = 73,923,295.07
  5. Step 5: Solve for x
    x = 73,923,295.07/11,631.54
  6. Step 6: Final answer
    x = 6,355.42

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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.