Home / 11,372.15-17,058.29-3,971.43

Finding the Fourth Proportional to 11,372.15, 17,058.29 and 3,971.43

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Solution

The fourth proportional to 11,372.15, 17,058.29 and 3,971.43 is: 5,957.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.15 : 17,058.29 = 3,971.43 : x
  2. Step 2: Convert to fraction form
    11,372.15/17,058.29 = 3,971.43/x
  3. Step 3: Cross multiply
    11,372.15x = 17,058.29 × 3,971.43
  4. Step 4: Simplify right side
    11,372.15x = 67,745,784.80
  5. Step 5: Solve for x
    x = 67,745,784.80/11,372.15
  6. Step 6: Final answer
    x = 5,957.16

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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.