Home / 11,731.68-17,597.52-3,945.96

Finding the Fourth Proportional to 11,731.68, 17,597.52 and 3,945.96

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Solution

The fourth proportional to 11,731.68, 17,597.52 and 3,945.96 is: 5,918.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.68 : 17,597.52 = 3,945.96 : x
  2. Step 2: Convert to fraction form
    11,731.68/17,597.52 = 3,945.96/x
  3. Step 3: Cross multiply
    11,731.68x = 17,597.52 × 3,945.96
  4. Step 4: Simplify right side
    11,731.68x = 69,439,110.02
  5. Step 5: Solve for x
    x = 69,439,110.02/11,731.68
  6. Step 6: Final answer
    x = 5,918.94

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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.