Home / 11,515.47-17,273.66-4,937.15

Finding the Fourth Proportional to 11,515.47, 17,273.66 and 4,937.15

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Solution

The fourth proportional to 11,515.47, 17,273.66 and 4,937.15 is: 7,405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.47 : 17,273.66 = 4,937.15 : x
  2. Step 2: Convert to fraction form
    11,515.47/17,273.66 = 4,937.15/x
  3. Step 3: Cross multiply
    11,515.47x = 17,273.66 × 4,937.15
  4. Step 4: Simplify right side
    11,515.47x = 85,282,668.97
  5. Step 5: Solve for x
    x = 85,282,668.97/11,515.47
  6. Step 6: Final answer
    x = 7,405.92

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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.