Home / 8,301.75-12,452.61-3,856.98

Finding the Fourth Proportional to 8,301.75, 12,452.61 and 3,856.98

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Solution

The fourth proportional to 8,301.75, 12,452.61 and 3,856.98 is: 5,785.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301.75 : 12,452.61 = 3,856.98 : x
  2. Step 2: Convert to fraction form
    8,301.75/12,452.61 = 3,856.98/x
  3. Step 3: Cross multiply
    8,301.75x = 12,452.61 × 3,856.98
  4. Step 4: Simplify right side
    8,301.75x = 48,029,467.72
  5. Step 5: Solve for x
    x = 48,029,467.72/8,301.75
  6. Step 6: Final answer
    x = 5,785.46

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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.