Home / 8,525.13-12,791.61-3,846.39

Finding the Fourth Proportional to 8,525.13, 12,791.61 and 3,846.39

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Solution

The fourth proportional to 8,525.13, 12,791.61 and 3,846.39 is: 5,771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.13 : 12,791.61 = 3,846.39 : x
  2. Step 2: Convert to fraction form
    8,525.13/12,791.61 = 3,846.39/x
  3. Step 3: Cross multiply
    8,525.13x = 12,791.61 × 3,846.39
  4. Step 4: Simplify right side
    8,525.13x = 49,201,520.79
  5. Step 5: Solve for x
    x = 49,201,520.79/8,525.13
  6. Step 6: Final answer
    x = 5,771.35

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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.