Home / 11,622.60-17,435.10-3,831.42

Finding the Fourth Proportional to 11,622.60, 17,435.10 and 3,831.42

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Solution

The fourth proportional to 11,622.60, 17,435.10 and 3,831.42 is: 5,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.60 : 17,435.10 = 3,831.42 : x
  2. Step 2: Convert to fraction form
    11,622.60/17,435.10 = 3,831.42/x
  3. Step 3: Cross multiply
    11,622.60x = 17,435.10 × 3,831.42
  4. Step 4: Simplify right side
    11,622.60x = 66,801,190.84
  5. Step 5: Solve for x
    x = 66,801,190.84/11,622.60
  6. Step 6: Final answer
    x = 5,747.53

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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.