Home / 11,830.14-17,745.20-4,039.02

Finding the Fourth Proportional to 11,830.14, 17,745.20 and 4,039.02

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Solution

The fourth proportional to 11,830.14, 17,745.20 and 4,039.02 is: 6,058.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,830.14 : 17,745.20 = 4,039.02 : x
  2. Step 2: Convert to fraction form
    11,830.14/17,745.20 = 4,039.02/x
  3. Step 3: Cross multiply
    11,830.14x = 17,745.20 × 4,039.02
  4. Step 4: Simplify right side
    11,830.14x = 71,673,217.70
  5. Step 5: Solve for x
    x = 71,673,217.70/11,830.14
  6. Step 6: Final answer
    x = 6,058.53

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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.