Home / 8,524.24-12,786.88-2,681.04

Finding the Fourth Proportional to 8,524.24, 12,786.88 and 2,681.04

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Solution

The fourth proportional to 8,524.24, 12,786.88 and 2,681.04 is: 4,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524.24 : 12,786.88 = 2,681.04 : x
  2. Step 2: Convert to fraction form
    8,524.24/12,786.88 = 2,681.04/x
  3. Step 3: Cross multiply
    8,524.24x = 12,786.88 × 2,681.04
  4. Step 4: Simplify right side
    8,524.24x = 34,282,136.76
  5. Step 5: Solve for x
    x = 34,282,136.76/8,524.24
  6. Step 6: Final answer
    x = 4,021.72

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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.