Home / 12,092.70-18,136.89-3,325.68

Finding the Fourth Proportional to 12,092.70, 18,136.89 and 3,325.68

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Solution

The fourth proportional to 12,092.70, 18,136.89 and 3,325.68 is: 4,987.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092.70 : 18,136.89 = 3,325.68 : x
  2. Step 2: Convert to fraction form
    12,092.70/18,136.89 = 3,325.68/x
  3. Step 3: Cross multiply
    12,092.70x = 18,136.89 × 3,325.68
  4. Step 4: Simplify right side
    12,092.70x = 60,317,492.34
  5. Step 5: Solve for x
    x = 60,317,492.34/12,092.70
  6. Step 6: Final answer
    x = 4,987.93

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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.