Home / 10,933.92-16,403.32-3,142.14

Finding the Fourth Proportional to 10,933.92, 16,403.32 and 3,142.14

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Solution

The fourth proportional to 10,933.92, 16,403.32 and 3,142.14 is: 4,713.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.92 : 16,403.32 = 3,142.14 : x
  2. Step 2: Convert to fraction form
    10,933.92/16,403.32 = 3,142.14/x
  3. Step 3: Cross multiply
    10,933.92x = 16,403.32 × 3,142.14
  4. Step 4: Simplify right side
    10,933.92x = 51,541,527.90
  5. Step 5: Solve for x
    x = 51,541,527.90/10,933.92
  6. Step 6: Final answer
    x = 4,713.91

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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.