Home / 9,221.31-13,831.94-2,295.81

Finding the Fourth Proportional to 9,221.31, 13,831.94 and 2,295.81

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Solution

The fourth proportional to 9,221.31, 13,831.94 and 2,295.81 is: 3,443.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221.31 : 13,831.94 = 2,295.81 : x
  2. Step 2: Convert to fraction form
    9,221.31/13,831.94 = 2,295.81/x
  3. Step 3: Cross multiply
    9,221.31x = 13,831.94 × 2,295.81
  4. Step 4: Simplify right side
    9,221.31x = 31,755,506.17
  5. Step 5: Solve for x
    x = 31,755,506.17/9,221.31
  6. Step 6: Final answer
    x = 3,443.71

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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.