Home / 9,222.80-13,834.20-2,648.60

Finding the Fourth Proportional to 9,222.80, 13,834.20 and 2,648.60

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Solution

The fourth proportional to 9,222.80, 13,834.20 and 2,648.60 is: 3,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,222.80 : 13,834.20 = 2,648.60 : x
  2. Step 2: Convert to fraction form
    9,222.80/13,834.20 = 2,648.60/x
  3. Step 3: Cross multiply
    9,222.80x = 13,834.20 × 2,648.60
  4. Step 4: Simplify right side
    9,222.80x = 36,641,262.12
  5. Step 5: Solve for x
    x = 36,641,262.12/9,222.80
  6. Step 6: Final answer
    x = 3,972.90

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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.