Home / 11,100.30-16,650.27-10,821.48

Finding the Fourth Proportional to 11,100.30, 16,650.27 and 10,821.48

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Solution

The fourth proportional to 11,100.30, 16,650.27 and 10,821.48 is: 16,232.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,100.30 : 16,650.27 = 10,821.48 : x
  2. Step 2: Convert to fraction form
    11,100.30/16,650.27 = 10,821.48/x
  3. Step 3: Cross multiply
    11,100.30x = 16,650.27 × 10,821.48
  4. Step 4: Simplify right side
    11,100.30x = 180,180,563.80
  5. Step 5: Solve for x
    x = 180,180,563.80/11,100.30
  6. Step 6: Final answer
    x = 16,232.04

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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.