Home / 11,137.24-16,695.92-4,216.60

Finding the Fourth Proportional to 11,137.24, 16,695.92 and 4,216.60

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Solution

The fourth proportional to 11,137.24, 16,695.92 and 4,216.60 is: 6,321.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.24 : 16,695.92 = 4,216.60 : x
  2. Step 2: Convert to fraction form
    11,137.24/16,695.92 = 4,216.60/x
  3. Step 3: Cross multiply
    11,137.24x = 16,695.92 × 4,216.60
  4. Step 4: Simplify right side
    11,137.24x = 70,400,016.27
  5. Step 5: Solve for x
    x = 70,400,016.27/11,137.24
  6. Step 6: Final answer
    x = 6,321.14

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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.