Home / 11,202.80-16,806.02-4,185.26

Finding the Fourth Proportional to 11,202.80, 16,806.02 and 4,185.26

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Solution

The fourth proportional to 11,202.80, 16,806.02 and 4,185.26 is: 6,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,202.80 : 16,806.02 = 4,185.26 : x
  2. Step 2: Convert to fraction form
    11,202.80/16,806.02 = 4,185.26/x
  3. Step 3: Cross multiply
    11,202.80x = 16,806.02 × 4,185.26
  4. Step 4: Simplify right side
    11,202.80x = 70,337,563.27
  5. Step 5: Solve for x
    x = 70,337,563.27/11,202.80
  6. Step 6: Final answer
    x = 6,278.57

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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.