Home / 7,447.46-11,175.63-2,766.68

Finding the Fourth Proportional to 7,447.46, 11,175.63 and 2,766.68

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Solution

The fourth proportional to 7,447.46, 11,175.63 and 2,766.68 is: 4,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.46 : 11,175.63 = 2,766.68 : x
  2. Step 2: Convert to fraction form
    7,447.46/11,175.63 = 2,766.68/x
  3. Step 3: Cross multiply
    7,447.46x = 11,175.63 × 2,766.68
  4. Step 4: Simplify right side
    7,447.46x = 30,919,392.01
  5. Step 5: Solve for x
    x = 30,919,392.01/7,447.46
  6. Step 6: Final answer
    x = 4,151.67

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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.