Home / 11,654.19-17,471.52-4,629.78

Finding the Fourth Proportional to 11,654.19, 17,471.52 and 4,629.78

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Solution

The fourth proportional to 11,654.19, 17,471.52 and 4,629.78 is: 6,940.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,654.19 : 17,471.52 = 4,629.78 : x
  2. Step 2: Convert to fraction form
    11,654.19/17,471.52 = 4,629.78/x
  3. Step 3: Cross multiply
    11,654.19x = 17,471.52 × 4,629.78
  4. Step 4: Simplify right side
    11,654.19x = 80,889,293.87
  5. Step 5: Solve for x
    x = 80,889,293.87/11,654.19
  6. Step 6: Final answer
    x = 6,940.79

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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.