Home / 8,201.07-12,302.33-3,520.02

Finding the Fourth Proportional to 8,201.07, 12,302.33 and 3,520.02

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Solution

The fourth proportional to 8,201.07, 12,302.33 and 3,520.02 is: 5,280.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.07 : 12,302.33 = 3,520.02 : x
  2. Step 2: Convert to fraction form
    8,201.07/12,302.33 = 3,520.02/x
  3. Step 3: Cross multiply
    8,201.07x = 12,302.33 × 3,520.02
  4. Step 4: Simplify right side
    8,201.07x = 43,304,447.65
  5. Step 5: Solve for x
    x = 43,304,447.65/8,201.07
  6. Step 6: Final answer
    x = 5,280.34

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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.