Home / 9,620.10-14,436.60-3,380.10

Finding the Fourth Proportional to 9,620.10, 14,436.60 and 3,380.10

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Solution

The fourth proportional to 9,620.10, 14,436.60 and 3,380.10 is: 5,072.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620.10 : 14,436.60 = 3,380.10 : x
  2. Step 2: Convert to fraction form
    9,620.10/14,436.60 = 3,380.10/x
  3. Step 3: Cross multiply
    9,620.10x = 14,436.60 × 3,380.10
  4. Step 4: Simplify right side
    9,620.10x = 48,797,151.66
  5. Step 5: Solve for x
    x = 48,797,151.66/9,620.10
  6. Step 6: Final answer
    x = 5,072.42

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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.