Home / 11,216.58-16,824.26-3,424.78

Finding the Fourth Proportional to 11,216.58, 16,824.26 and 3,424.78

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Solution

The fourth proportional to 11,216.58, 16,824.26 and 3,424.78 is: 5,136.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.58 : 16,824.26 = 3,424.78 : x
  2. Step 2: Convert to fraction form
    11,216.58/16,824.26 = 3,424.78/x
  3. Step 3: Cross multiply
    11,216.58x = 16,824.26 × 3,424.78
  4. Step 4: Simplify right side
    11,216.58x = 57,619,399.49
  5. Step 5: Solve for x
    x = 57,619,399.49/11,216.58
  6. Step 6: Final answer
    x = 5,136.99

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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.