Home / 7,791.42-11,672.66-4,276.27

Finding the Fourth Proportional to 7,791.42, 11,672.66 and 4,276.27

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Solution

The fourth proportional to 7,791.42, 11,672.66 and 4,276.27 is: 6,406.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.42 : 11,672.66 = 4,276.27 : x
  2. Step 2: Convert to fraction form
    7,791.42/11,672.66 = 4,276.27/x
  3. Step 3: Cross multiply
    7,791.42x = 11,672.66 × 4,276.27
  4. Step 4: Simplify right side
    7,791.42x = 49,915,414.18
  5. Step 5: Solve for x
    x = 49,915,414.18/7,791.42
  6. Step 6: Final answer
    x = 6,406.46

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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.