Home / 10,911.24-16,367.27-3,515.81

Finding the Fourth Proportional to 10,911.24, 16,367.27 and 3,515.81

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Solution

The fourth proportional to 10,911.24, 16,367.27 and 3,515.81 is: 5,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.24 : 16,367.27 = 3,515.81 : x
  2. Step 2: Convert to fraction form
    10,911.24/16,367.27 = 3,515.81/x
  3. Step 3: Cross multiply
    10,911.24x = 16,367.27 × 3,515.81
  4. Step 4: Simplify right side
    10,911.24x = 57,544,112.12
  5. Step 5: Solve for x
    x = 57,544,112.12/10,911.24
  6. Step 6: Final answer
    x = 5,273.84

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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.