Home / 9,072.21-13,613.57-3,806.75

Finding the Fourth Proportional to 9,072.21, 13,613.57 and 3,806.75

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Solution

The fourth proportional to 9,072.21, 13,613.57 and 3,806.75 is: 5,712.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.21 : 13,613.57 = 3,806.75 : x
  2. Step 2: Convert to fraction form
    9,072.21/13,613.57 = 3,806.75/x
  3. Step 3: Cross multiply
    9,072.21x = 13,613.57 × 3,806.75
  4. Step 4: Simplify right side
    9,072.21x = 51,823,438.56
  5. Step 5: Solve for x
    x = 51,823,438.56/9,072.21
  6. Step 6: Final answer
    x = 5,712.33

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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.