Home / 11,976.51-17,964.80-4,185.33

Finding the Fourth Proportional to 11,976.51, 17,964.80 and 4,185.33

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Solution

The fourth proportional to 11,976.51, 17,964.80 and 4,185.33 is: 6,278.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.51 : 17,964.80 = 4,185.33 : x
  2. Step 2: Convert to fraction form
    11,976.51/17,964.80 = 4,185.33/x
  3. Step 3: Cross multiply
    11,976.51x = 17,964.80 × 4,185.33
  4. Step 4: Simplify right side
    11,976.51x = 75,188,616.38
  5. Step 5: Solve for x
    x = 75,188,616.38/11,976.51
  6. Step 6: Final answer
    x = 6,278.01

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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.