Home / 7,791.27-10,752.39-4,647.66

Finding the Fourth Proportional to 7,791.27, 10,752.39 and 4,647.66

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Solution

The fourth proportional to 7,791.27, 10,752.39 and 4,647.66 is: 6,414.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.27 : 10,752.39 = 4,647.66 : x
  2. Step 2: Convert to fraction form
    7,791.27/10,752.39 = 4,647.66/x
  3. Step 3: Cross multiply
    7,791.27x = 10,752.39 × 4,647.66
  4. Step 4: Simplify right side
    7,791.27x = 49,973,452.91
  5. Step 5: Solve for x
    x = 49,973,452.91/7,791.27
  6. Step 6: Final answer
    x = 6,414.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.