Home / 11,952.28-17,928.79-3,632.36

Finding the Fourth Proportional to 11,952.28, 17,928.79 and 3,632.36

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Solution

The fourth proportional to 11,952.28, 17,928.79 and 3,632.36 is: 5,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,952.28 : 17,928.79 = 3,632.36 : x
  2. Step 2: Convert to fraction form
    11,952.28/17,928.79 = 3,632.36/x
  3. Step 3: Cross multiply
    11,952.28x = 17,928.79 × 3,632.36
  4. Step 4: Simplify right side
    11,952.28x = 65,123,909.43
  5. Step 5: Solve for x
    x = 65,123,909.43/11,952.28
  6. Step 6: Final answer
    x = 5,448.66

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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.