Home / 10,369.74-15,549.75-3,791.33

Finding the Fourth Proportional to 10,369.74, 15,549.75 and 3,791.33

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Solution

The fourth proportional to 10,369.74, 15,549.75 and 3,791.33 is: 5,685.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.74 : 15,549.75 = 3,791.33 : x
  2. Step 2: Convert to fraction form
    10,369.74/15,549.75 = 3,791.33/x
  3. Step 3: Cross multiply
    10,369.74x = 15,549.75 × 3,791.33
  4. Step 4: Simplify right side
    10,369.74x = 58,954,233.67
  5. Step 5: Solve for x
    x = 58,954,233.67/10,369.74
  6. Step 6: Final answer
    x = 5,685.22

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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.