Home / 10,720.44-16,081.11-2,929.23

Finding the Fourth Proportional to 10,720.44, 16,081.11 and 2,929.23

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Solution

The fourth proportional to 10,720.44, 16,081.11 and 2,929.23 is: 4,393.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.44 : 16,081.11 = 2,929.23 : x
  2. Step 2: Convert to fraction form
    10,720.44/16,081.11 = 2,929.23/x
  3. Step 3: Cross multiply
    10,720.44x = 16,081.11 × 2,929.23
  4. Step 4: Simplify right side
    10,720.44x = 47,105,269.85
  5. Step 5: Solve for x
    x = 47,105,269.85/10,720.44
  6. Step 6: Final answer
    x = 4,393.97

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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.