Home / 8,093.57-12,136.95-3,415.68

Finding the Fourth Proportional to 8,093.57, 12,136.95 and 3,415.68

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Solution

The fourth proportional to 8,093.57, 12,136.95 and 3,415.68 is: 5,122.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093.57 : 12,136.95 = 3,415.68 : x
  2. Step 2: Convert to fraction form
    8,093.57/12,136.95 = 3,415.68/x
  3. Step 3: Cross multiply
    8,093.57x = 12,136.95 × 3,415.68
  4. Step 4: Simplify right side
    8,093.57x = 41,455,937.38
  5. Step 5: Solve for x
    x = 41,455,937.38/8,093.57
  6. Step 6: Final answer
    x = 5,122.09

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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.