Home / 7,976.11-11,943.26-5,623.38

Finding the Fourth Proportional to 7,976.11, 11,943.26 and 5,623.38

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Solution

The fourth proportional to 7,976.11, 11,943.26 and 5,623.38 is: 8,420.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.11 : 11,943.26 = 5,623.38 : x
  2. Step 2: Convert to fraction form
    7,976.11/11,943.26 = 5,623.38/x
  3. Step 3: Cross multiply
    7,976.11x = 11,943.26 × 5,623.38
  4. Step 4: Simplify right side
    7,976.11x = 67,161,480.43
  5. Step 5: Solve for x
    x = 67,161,480.43/7,976.11
  6. Step 6: Final answer
    x = 8,420.33

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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.