Home / 12,043.40-18,058.36-3,721.04

Finding the Fourth Proportional to 12,043.40, 18,058.36 and 3,721.04

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Solution

The fourth proportional to 12,043.40, 18,058.36 and 3,721.04 is: 5,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043.40 : 18,058.36 = 3,721.04 : x
  2. Step 2: Convert to fraction form
    12,043.40/18,058.36 = 3,721.04/x
  3. Step 3: Cross multiply
    12,043.40x = 18,058.36 × 3,721.04
  4. Step 4: Simplify right side
    12,043.40x = 67,195,879.89
  5. Step 5: Solve for x
    x = 67,195,879.89/12,043.40
  6. Step 6: Final answer
    x = 5,579.48

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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.