Home / 11,731.56-17,584.54-4,329.78

Finding the Fourth Proportional to 11,731.56, 17,584.54 and 4,329.78

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Solution

The fourth proportional to 11,731.56, 17,584.54 and 4,329.78 is: 6,489.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.56 : 17,584.54 = 4,329.78 : x
  2. Step 2: Convert to fraction form
    11,731.56/17,584.54 = 4,329.78/x
  3. Step 3: Cross multiply
    11,731.56x = 17,584.54 × 4,329.78
  4. Step 4: Simplify right side
    11,731.56x = 76,137,189.60
  5. Step 5: Solve for x
    x = 76,137,189.60/11,731.56
  6. Step 6: Final answer
    x = 6,489.95

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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.