Home / 11,143.26-16,716.69-3,351.42

Finding the Fourth Proportional to 11,143.26, 16,716.69 and 3,351.42

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Solution

The fourth proportional to 11,143.26, 16,716.69 and 3,351.42 is: 5,027.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,143.26 : 16,716.69 = 3,351.42 : x
  2. Step 2: Convert to fraction form
    11,143.26/16,716.69 = 3,351.42/x
  3. Step 3: Cross multiply
    11,143.26x = 16,716.69 × 3,351.42
  4. Step 4: Simplify right side
    11,143.26x = 56,024,649.20
  5. Step 5: Solve for x
    x = 56,024,649.20/11,143.26
  6. Step 6: Final answer
    x = 5,027.67

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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.