Home / 11,852.11-17,780.91-3,954.07

Finding the Fourth Proportional to 11,852.11, 17,780.91 and 3,954.07

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Solution

The fourth proportional to 11,852.11, 17,780.91 and 3,954.07 is: 5,932.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.11 : 17,780.91 = 3,954.07 : x
  2. Step 2: Convert to fraction form
    11,852.11/17,780.91 = 3,954.07/x
  3. Step 3: Cross multiply
    11,852.11x = 17,780.91 × 3,954.07
  4. Step 4: Simplify right side
    11,852.11x = 70,306,962.80
  5. Step 5: Solve for x
    x = 70,306,962.80/11,852.11
  6. Step 6: Final answer
    x = 5,932.02

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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.