Home / 11,831.51-17,749.04-3,823.61

Finding the Fourth Proportional to 11,831.51, 17,749.04 and 3,823.61

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Solution

The fourth proportional to 11,831.51, 17,749.04 and 3,823.61 is: 5,735.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.51 : 17,749.04 = 3,823.61 : x
  2. Step 2: Convert to fraction form
    11,831.51/17,749.04 = 3,823.61/x
  3. Step 3: Cross multiply
    11,831.51x = 17,749.04 × 3,823.61
  4. Step 4: Simplify right side
    11,831.51x = 67,865,298.97
  5. Step 5: Solve for x
    x = 67,865,298.97/11,831.51
  6. Step 6: Final answer
    x = 5,735.98

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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.