Home / 11,943.91-16,487.13-7,963.57

Finding the Fourth Proportional to 11,943.91, 16,487.13 and 7,963.57

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Solution

The fourth proportional to 11,943.91, 16,487.13 and 7,963.57 is: 10,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.91 : 16,487.13 = 7,963.57 : x
  2. Step 2: Convert to fraction form
    11,943.91/16,487.13 = 7,963.57/x
  3. Step 3: Cross multiply
    11,943.91x = 16,487.13 × 7,963.57
  4. Step 4: Simplify right side
    11,943.91x = 131,296,413.85
  5. Step 5: Solve for x
    x = 131,296,413.85/11,943.91
  6. Step 6: Final answer
    x = 10,992.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.