Home / 11,634.73-17,445.13-7,891.11

Finding the Fourth Proportional to 11,634.73, 17,445.13 and 7,891.11

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Solution

The fourth proportional to 11,634.73, 17,445.13 and 7,891.11 is: 11,831.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,634.73 : 17,445.13 = 7,891.11 : x
  2. Step 2: Convert to fraction form
    11,634.73/17,445.13 = 7,891.11/x
  3. Step 3: Cross multiply
    11,634.73x = 17,445.13 × 7,891.11
  4. Step 4: Simplify right side
    11,634.73x = 137,661,420.07
  5. Step 5: Solve for x
    x = 137,661,420.07/11,634.73
  6. Step 6: Final answer
    x = 11,831.94

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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.