Home / 7,556.11-10,427.38-4,198.91

Finding the Fourth Proportional to 7,556.11, 10,427.38 and 4,198.91

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Solution

The fourth proportional to 7,556.11, 10,427.38 and 4,198.91 is: 5,794.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556.11 : 10,427.38 = 4,198.91 : x
  2. Step 2: Convert to fraction form
    7,556.11/10,427.38 = 4,198.91/x
  3. Step 3: Cross multiply
    7,556.11x = 10,427.38 × 4,198.91
  4. Step 4: Simplify right side
    7,556.11x = 43,783,630.16
  5. Step 5: Solve for x
    x = 43,783,630.16/7,556.11
  6. Step 6: Final answer
    x = 5,794.47

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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.