Home / 7,601.78-11,396.01-3,222.38

Finding the Fourth Proportional to 7,601.78, 11,396.01 and 3,222.38

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Solution

The fourth proportional to 7,601.78, 11,396.01 and 3,222.38 is: 4,830.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,601.78 : 11,396.01 = 3,222.38 : x
  2. Step 2: Convert to fraction form
    7,601.78/11,396.01 = 3,222.38/x
  3. Step 3: Cross multiply
    7,601.78x = 11,396.01 × 3,222.38
  4. Step 4: Simplify right side
    7,601.78x = 36,722,274.70
  5. Step 5: Solve for x
    x = 36,722,274.70/7,601.78
  6. Step 6: Final answer
    x = 4,830.75

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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.