Home / 8,682.39-13,024.95-3,136.07

Finding the Fourth Proportional to 8,682.39, 13,024.95 and 3,136.07

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Solution

The fourth proportional to 8,682.39, 13,024.95 and 3,136.07 is: 4,704.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.39 : 13,024.95 = 3,136.07 : x
  2. Step 2: Convert to fraction form
    8,682.39/13,024.95 = 3,136.07/x
  3. Step 3: Cross multiply
    8,682.39x = 13,024.95 × 3,136.07
  4. Step 4: Simplify right side
    8,682.39x = 40,847,120.12
  5. Step 5: Solve for x
    x = 40,847,120.12/8,682.39
  6. Step 6: Final answer
    x = 4,704.59

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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.