Home / 8,562.70-12,840.99-3,632.68

Finding the Fourth Proportional to 8,562.70, 12,840.99 and 3,632.68

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Solution

The fourth proportional to 8,562.70, 12,840.99 and 3,632.68 is: 5,447.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562.70 : 12,840.99 = 3,632.68 : x
  2. Step 2: Convert to fraction form
    8,562.70/12,840.99 = 3,632.68/x
  3. Step 3: Cross multiply
    8,562.70x = 12,840.99 × 3,632.68
  4. Step 4: Simplify right side
    8,562.70x = 46,647,207.55
  5. Step 5: Solve for x
    x = 46,647,207.55/8,562.70
  6. Step 6: Final answer
    x = 5,447.72

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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.