Home / 8,738.75-13,109.73-6,233.69

Finding the Fourth Proportional to 8,738.75, 13,109.73 and 6,233.69

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Solution

The fourth proportional to 8,738.75, 13,109.73 and 6,233.69 is: 9,351.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.75 : 13,109.73 = 6,233.69 : x
  2. Step 2: Convert to fraction form
    8,738.75/13,109.73 = 6,233.69/x
  3. Step 3: Cross multiply
    8,738.75x = 13,109.73 × 6,233.69
  4. Step 4: Simplify right side
    8,738.75x = 81,721,927.26
  5. Step 5: Solve for x
    x = 81,721,927.26/8,738.75
  6. Step 6: Final answer
    x = 9,351.68

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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.