Home / 11,816.80-17,726.99-4,023.79

Finding the Fourth Proportional to 11,816.80, 17,726.99 and 4,023.79

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Solution

The fourth proportional to 11,816.80, 17,726.99 and 4,023.79 is: 6,036.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.80 : 17,726.99 = 4,023.79 : x
  2. Step 2: Convert to fraction form
    11,816.80/17,726.99 = 4,023.79/x
  3. Step 3: Cross multiply
    11,816.80x = 17,726.99 × 4,023.79
  4. Step 4: Simplify right side
    11,816.80x = 71,329,685.09
  5. Step 5: Solve for x
    x = 71,329,685.09/11,816.80
  6. Step 6: Final answer
    x = 6,036.29

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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.