Home / 8,504.43-12,760.55-3,825.68

Finding the Fourth Proportional to 8,504.43, 12,760.55 and 3,825.68

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Solution

The fourth proportional to 8,504.43, 12,760.55 and 3,825.68 is: 5,740.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.43 : 12,760.55 = 3,825.68 : x
  2. Step 2: Convert to fraction form
    8,504.43/12,760.55 = 3,825.68/x
  3. Step 3: Cross multiply
    8,504.43x = 12,760.55 × 3,825.68
  4. Step 4: Simplify right side
    8,504.43x = 48,817,697.99
  5. Step 5: Solve for x
    x = 48,817,697.99/8,504.43
  6. Step 6: Final answer
    x = 5,740.27

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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.