Home / 8,072.94-11,136.11-5,083.64

Finding the Fourth Proportional to 8,072.94, 11,136.11 and 5,083.64

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Solution

The fourth proportional to 8,072.94, 11,136.11 and 5,083.64 is: 7,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.94 : 11,136.11 = 5,083.64 : x
  2. Step 2: Convert to fraction form
    8,072.94/11,136.11 = 5,083.64/x
  3. Step 3: Cross multiply
    8,072.94x = 11,136.11 × 5,083.64
  4. Step 4: Simplify right side
    8,072.94x = 56,611,974.24
  5. Step 5: Solve for x
    x = 56,611,974.24/8,072.94
  6. Step 6: Final answer
    x = 7,012.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.