Home / 8,567.20-12,850.84-3,635.60

Finding the Fourth Proportional to 8,567.20, 12,850.84 and 3,635.60

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Solution

The fourth proportional to 8,567.20, 12,850.84 and 3,635.60 is: 5,453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567.20 : 12,850.84 = 3,635.60 : x
  2. Step 2: Convert to fraction form
    8,567.20/12,850.84 = 3,635.60/x
  3. Step 3: Cross multiply
    8,567.20x = 12,850.84 × 3,635.60
  4. Step 4: Simplify right side
    8,567.20x = 46,720,513.90
  5. Step 5: Solve for x
    x = 46,720,513.90/8,567.20
  6. Step 6: Final answer
    x = 5,453.42

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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.