Home / 6,618.11-9,928.07-2,234.39

Finding the Fourth Proportional to 6,618.11, 9,928.07 and 2,234.39

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Solution

The fourth proportional to 6,618.11, 9,928.07 and 2,234.39 is: 3,351.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.11 : 9,928.07 = 2,234.39 : x
  2. Step 2: Convert to fraction form
    6,618.11/9,928.07 = 2,234.39/x
  3. Step 3: Cross multiply
    6,618.11x = 9,928.07 × 2,234.39
  4. Step 4: Simplify right side
    6,618.11x = 22,183,127.89
  5. Step 5: Solve for x
    x = 22,183,127.89/6,618.11
  6. Step 6: Final answer
    x = 3,351.89

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1.5x scale

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.