Home / 11,932.20-17,903.58-4,146.60

Finding the Fourth Proportional to 11,932.20, 17,903.58 and 4,146.60

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Solution

The fourth proportional to 11,932.20, 17,903.58 and 4,146.60 is: 6,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.20 : 17,903.58 = 4,146.60 : x
  2. Step 2: Convert to fraction form
    11,932.20/17,903.58 = 4,146.60/x
  3. Step 3: Cross multiply
    11,932.20x = 17,903.58 × 4,146.60
  4. Step 4: Simplify right side
    11,932.20x = 74,238,984.83
  5. Step 5: Solve for x
    x = 74,238,984.83/11,932.20
  6. Step 6: Final answer
    x = 6,221.73

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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.