Home / 11,976.94-17,973.62-4,185.76

Finding the Fourth Proportional to 11,976.94, 17,973.62 and 4,185.76

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Solution

The fourth proportional to 11,976.94, 17,973.62 and 4,185.76 is: 6,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.94 : 17,973.62 = 4,185.76 : x
  2. Step 2: Convert to fraction form
    11,976.94/17,973.62 = 4,185.76/x
  3. Step 3: Cross multiply
    11,976.94x = 17,973.62 × 4,185.76
  4. Step 4: Simplify right side
    11,976.94x = 75,233,259.65
  5. Step 5: Solve for x
    x = 75,233,259.65/11,976.94
  6. Step 6: Final answer
    x = 6,281.51

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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.