Home / 6,251.12-8,626.67-3,418.67

Finding the Fourth Proportional to 6,251.12, 8,626.67 and 3,418.67

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Solution

The fourth proportional to 6,251.12, 8,626.67 and 3,418.67 is: 4,717.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.12 : 8,626.67 = 3,418.67 : x
  2. Step 2: Convert to fraction form
    6,251.12/8,626.67 = 3,418.67/x
  3. Step 3: Cross multiply
    6,251.12x = 8,626.67 × 3,418.67
  4. Step 4: Simplify right side
    6,251.12x = 29,491,737.93
  5. Step 5: Solve for x
    x = 29,491,737.93/6,251.12
  6. Step 6: Final answer
    x = 4,717.83

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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.