Home / 9,249.39-12,764.18-5,270.67

Finding the Fourth Proportional to 9,249.39, 12,764.18 and 5,270.67

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Solution

The fourth proportional to 9,249.39, 12,764.18 and 5,270.67 is: 7,273.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,249.39 : 12,764.18 = 5,270.67 : x
  2. Step 2: Convert to fraction form
    9,249.39/12,764.18 = 5,270.67/x
  3. Step 3: Cross multiply
    9,249.39x = 12,764.18 × 5,270.67
  4. Step 4: Simplify right side
    9,249.39x = 67,275,793.78
  5. Step 5: Solve for x
    x = 67,275,793.78/9,249.39
  6. Step 6: Final answer
    x = 7,273.54

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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.