Home / 11,222.80-16,834.66-4,202.12

Finding the Fourth Proportional to 11,222.80, 16,834.66 and 4,202.12

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Solution

The fourth proportional to 11,222.80, 16,834.66 and 4,202.12 is: 6,303.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.80 : 16,834.66 = 4,202.12 : x
  2. Step 2: Convert to fraction form
    11,222.80/16,834.66 = 4,202.12/x
  3. Step 3: Cross multiply
    11,222.80x = 16,834.66 × 4,202.12
  4. Step 4: Simplify right side
    11,222.80x = 70,741,261.48
  5. Step 5: Solve for x
    x = 70,741,261.48/11,222.80
  6. Step 6: Final answer
    x = 6,303.35

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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.