Home / 11,962.19-17,945.18-3,954.53

Finding the Fourth Proportional to 11,962.19, 17,945.18 and 3,954.53

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Solution

The fourth proportional to 11,962.19, 17,945.18 and 3,954.53 is: 5,932.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.19 : 17,945.18 = 3,954.53 : x
  2. Step 2: Convert to fraction form
    11,962.19/17,945.18 = 3,954.53/x
  3. Step 3: Cross multiply
    11,962.19x = 17,945.18 × 3,954.53
  4. Step 4: Simplify right side
    11,962.19x = 70,964,643.17
  5. Step 5: Solve for x
    x = 70,964,643.17/11,962.19
  6. Step 6: Final answer
    x = 5,932.41

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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.