Home / 8,831.67-13,239.30-2,984.22

Finding the Fourth Proportional to 8,831.67, 13,239.30 and 2,984.22

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Solution

The fourth proportional to 8,831.67, 13,239.30 and 2,984.22 is: 4,473.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.67 : 13,239.30 = 2,984.22 : x
  2. Step 2: Convert to fraction form
    8,831.67/13,239.30 = 2,984.22/x
  3. Step 3: Cross multiply
    8,831.67x = 13,239.30 × 2,984.22
  4. Step 4: Simplify right side
    8,831.67x = 39,508,983.85
  5. Step 5: Solve for x
    x = 39,508,983.85/8,831.67
  6. Step 6: Final answer
    x = 4,473.56

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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.