Home / 11,673.81-17,507.54-3,881.61

Finding the Fourth Proportional to 11,673.81, 17,507.54 and 3,881.61

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Solution

The fourth proportional to 11,673.81, 17,507.54 and 3,881.61 is: 5,821.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.81 : 17,507.54 = 3,881.61 : x
  2. Step 2: Convert to fraction form
    11,673.81/17,507.54 = 3,881.61/x
  3. Step 3: Cross multiply
    11,673.81x = 17,507.54 × 3,881.61
  4. Step 4: Simplify right side
    11,673.81x = 67,957,422.93
  5. Step 5: Solve for x
    x = 67,957,422.93/11,673.81
  6. Step 6: Final answer
    x = 5,821.36

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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.