Home / 11,723.88-17,585.82-3,515.88

Finding the Fourth Proportional to 11,723.88, 17,585.82 and 3,515.88

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Solution

The fourth proportional to 11,723.88, 17,585.82 and 3,515.88 is: 5,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.88 : 17,585.82 = 3,515.88 : x
  2. Step 2: Convert to fraction form
    11,723.88/17,585.82 = 3,515.88/x
  3. Step 3: Cross multiply
    11,723.88x = 17,585.82 × 3,515.88
  4. Step 4: Simplify right side
    11,723.88x = 61,829,632.82
  5. Step 5: Solve for x
    x = 61,829,632.82/11,723.88
  6. Step 6: Final answer
    x = 5,273.82

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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.