Home / 11,101.72-16,652.64-3,310.60

Finding the Fourth Proportional to 11,101.72, 16,652.64 and 3,310.60

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Solution

The fourth proportional to 11,101.72, 16,652.64 and 3,310.60 is: 4,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.72 : 16,652.64 = 3,310.60 : x
  2. Step 2: Convert to fraction form
    11,101.72/16,652.64 = 3,310.60/x
  3. Step 3: Cross multiply
    11,101.72x = 16,652.64 × 3,310.60
  4. Step 4: Simplify right side
    11,101.72x = 55,130,229.98
  5. Step 5: Solve for x
    x = 55,130,229.98/11,101.72
  6. Step 6: Final answer
    x = 4,965.92

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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.