Home / 7,338.06-11,009.61-2,144.70

Finding the Fourth Proportional to 7,338.06, 11,009.61 and 2,144.70

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Solution

The fourth proportional to 7,338.06, 11,009.61 and 2,144.70 is: 3,217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.06 : 11,009.61 = 2,144.70 : x
  2. Step 2: Convert to fraction form
    7,338.06/11,009.61 = 2,144.70/x
  3. Step 3: Cross multiply
    7,338.06x = 11,009.61 × 2,144.70
  4. Step 4: Simplify right side
    7,338.06x = 23,612,310.57
  5. Step 5: Solve for x
    x = 23,612,310.57/7,338.06
  6. Step 6: Final answer
    x = 3,217.79

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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.