Home / 11,836.68-17,758.44-3,831.28

Finding the Fourth Proportional to 11,836.68, 17,758.44 and 3,831.28

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Solution

The fourth proportional to 11,836.68, 17,758.44 and 3,831.28 is: 5,748.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,836.68 : 17,758.44 = 3,831.28 : x
  2. Step 2: Convert to fraction form
    11,836.68/17,758.44 = 3,831.28/x
  3. Step 3: Cross multiply
    11,836.68x = 17,758.44 × 3,831.28
  4. Step 4: Simplify right side
    11,836.68x = 68,037,556.00
  5. Step 5: Solve for x
    x = 68,037,556.00/11,836.68
  6. Step 6: Final answer
    x = 5,748.03

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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.