Home / 11,216.30-16,823.84-3,424.50

Finding the Fourth Proportional to 11,216.30, 16,823.84 and 3,424.50

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Solution

The fourth proportional to 11,216.30, 16,823.84 and 3,424.50 is: 5,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.30 : 16,823.84 = 3,424.50 : x
  2. Step 2: Convert to fraction form
    11,216.30/16,823.84 = 3,424.50/x
  3. Step 3: Cross multiply
    11,216.30x = 16,823.84 × 3,424.50
  4. Step 4: Simplify right side
    11,216.30x = 57,613,240.08
  5. Step 5: Solve for x
    x = 57,613,240.08/11,216.30
  6. Step 6: Final answer
    x = 5,136.56

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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.