Home / 11,955.12-17,932.68-4,057.66

Finding the Fourth Proportional to 11,955.12, 17,932.68 and 4,057.66

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Solution

The fourth proportional to 11,955.12, 17,932.68 and 4,057.66 is: 6,086.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.12 : 17,932.68 = 4,057.66 : x
  2. Step 2: Convert to fraction form
    11,955.12/17,932.68 = 4,057.66/x
  3. Step 3: Cross multiply
    11,955.12x = 17,932.68 × 4,057.66
  4. Step 4: Simplify right side
    11,955.12x = 72,764,718.33
  5. Step 5: Solve for x
    x = 72,764,718.33/11,955.12
  6. Step 6: Final answer
    x = 6,086.49

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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.