Home / 10,540.81-15,812.13-4,301.26

Finding the Fourth Proportional to 10,540.81, 15,812.13 and 4,301.26

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Solution

The fourth proportional to 10,540.81, 15,812.13 and 4,301.26 is: 6,452.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.81 : 15,812.13 = 4,301.26 : x
  2. Step 2: Convert to fraction form
    10,540.81/15,812.13 = 4,301.26/x
  3. Step 3: Cross multiply
    10,540.81x = 15,812.13 × 4,301.26
  4. Step 4: Simplify right side
    10,540.81x = 68,012,058.88
  5. Step 5: Solve for x
    x = 68,012,058.88/10,540.81
  6. Step 6: Final answer
    x = 6,452.26

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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.