Home / 7,191.11-10,786.37-2,260.64

Finding the Fourth Proportional to 7,191.11, 10,786.37 and 2,260.64

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Solution

The fourth proportional to 7,191.11, 10,786.37 and 2,260.64 is: 3,390.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.11 : 10,786.37 = 2,260.64 : x
  2. Step 2: Convert to fraction form
    7,191.11/10,786.37 = 2,260.64/x
  3. Step 3: Cross multiply
    7,191.11x = 10,786.37 × 2,260.64
  4. Step 4: Simplify right side
    7,191.11x = 24,384,115.14
  5. Step 5: Solve for x
    x = 24,384,115.14/7,191.11
  6. Step 6: Final answer
    x = 3,390.87

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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.