Home / 11,863.45-17,796.39-4,071.25

Finding the Fourth Proportional to 11,863.45, 17,796.39 and 4,071.25

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Solution

The fourth proportional to 11,863.45, 17,796.39 and 4,071.25 is: 6,107.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.45 : 17,796.39 = 4,071.25 : x
  2. Step 2: Convert to fraction form
    11,863.45/17,796.39 = 4,071.25/x
  3. Step 3: Cross multiply
    11,863.45x = 17,796.39 × 4,071.25
  4. Step 4: Simplify right side
    11,863.45x = 72,453,552.79
  5. Step 5: Solve for x
    x = 72,453,552.79/11,863.45
  6. Step 6: Final answer
    x = 6,107.29

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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.