Home / 11,157.88-16,725.14-3,759.78

Finding the Fourth Proportional to 11,157.88, 16,725.14 and 3,759.78

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Solution

The fourth proportional to 11,157.88, 16,725.14 and 3,759.78 is: 5,635.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.88 : 16,725.14 = 3,759.78 : x
  2. Step 2: Convert to fraction form
    11,157.88/16,725.14 = 3,759.78/x
  3. Step 3: Cross multiply
    11,157.88x = 16,725.14 × 3,759.78
  4. Step 4: Simplify right side
    11,157.88x = 62,882,846.87
  5. Step 5: Solve for x
    x = 62,882,846.87/11,157.88
  6. Step 6: Final answer
    x = 5,635.73

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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.