Home / 10,949.96-16,425.66-3,929.24

Finding the Fourth Proportional to 10,949.96, 16,425.66 and 3,929.24

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Solution

The fourth proportional to 10,949.96, 16,425.66 and 3,929.24 is: 5,894.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.96 : 16,425.66 = 3,929.24 : x
  2. Step 2: Convert to fraction form
    10,949.96/16,425.66 = 3,929.24/x
  3. Step 3: Cross multiply
    10,949.96x = 16,425.66 × 3,929.24
  4. Step 4: Simplify right side
    10,949.96x = 64,540,360.30
  5. Step 5: Solve for x
    x = 64,540,360.30/10,949.96
  6. Step 6: Final answer
    x = 5,894.12

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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.