Home / 11,324.19-16,979.80-4,744.83

Finding the Fourth Proportional to 11,324.19, 16,979.80 and 4,744.83

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Solution

The fourth proportional to 11,324.19, 16,979.80 and 4,744.83 is: 7,114.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.19 : 16,979.80 = 4,744.83 : x
  2. Step 2: Convert to fraction form
    11,324.19/16,979.80 = 4,744.83/x
  3. Step 3: Cross multiply
    11,324.19x = 16,979.80 × 4,744.83
  4. Step 4: Simplify right side
    11,324.19x = 80,566,264.43
  5. Step 5: Solve for x
    x = 80,566,264.43/11,324.19
  6. Step 6: Final answer
    x = 7,114.53

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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.