Home / 11,255.46-16,885.25-3,860.67

Finding the Fourth Proportional to 11,255.46, 16,885.25 and 3,860.67

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Solution

The fourth proportional to 11,255.46, 16,885.25 and 3,860.67 is: 5,791.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.46 : 16,885.25 = 3,860.67 : x
  2. Step 2: Convert to fraction form
    11,255.46/16,885.25 = 3,860.67/x
  3. Step 3: Cross multiply
    11,255.46x = 16,885.25 × 3,860.67
  4. Step 4: Simplify right side
    11,255.46x = 65,188,358.81
  5. Step 5: Solve for x
    x = 65,188,358.81/11,255.46
  6. Step 6: Final answer
    x = 5,791.71

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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.