Home / 11,975.89-17,963.87-4,184.70

Finding the Fourth Proportional to 11,975.89, 17,963.87 and 4,184.70

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Solution

The fourth proportional to 11,975.89, 17,963.87 and 4,184.70 is: 6,277.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.89 : 17,963.87 = 4,184.70 : x
  2. Step 2: Convert to fraction form
    11,975.89/17,963.87 = 4,184.70/x
  3. Step 3: Cross multiply
    11,975.89x = 17,963.87 × 4,184.70
  4. Step 4: Simplify right side
    11,975.89x = 75,173,385.87
  5. Step 5: Solve for x
    x = 75,173,385.87/11,975.89
  6. Step 6: Final answer
    x = 6,277.06

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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.