Home / 11,323.91-16,979.22-3,424.05

Finding the Fourth Proportional to 11,323.91, 16,979.22 and 3,424.05

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Solution

The fourth proportional to 11,323.91, 16,979.22 and 3,424.05 is: 5,134.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.91 : 16,979.22 = 3,424.05 : x
  2. Step 2: Convert to fraction form
    11,323.91/16,979.22 = 3,424.05/x
  3. Step 3: Cross multiply
    11,323.91x = 16,979.22 × 3,424.05
  4. Step 4: Simplify right side
    11,323.91x = 58,137,698.24
  5. Step 5: Solve for x
    x = 58,137,698.24/11,323.91
  6. Step 6: Final answer
    x = 5,134.06

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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.