Home / 12,099.14-18,145.44-3,331.94

Finding the Fourth Proportional to 12,099.14, 18,145.44 and 3,331.94

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Solution

The fourth proportional to 12,099.14, 18,145.44 and 3,331.94 is: 4,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099.14 : 18,145.44 = 3,331.94 : x
  2. Step 2: Convert to fraction form
    12,099.14/18,145.44 = 3,331.94/x
  3. Step 3: Cross multiply
    12,099.14x = 18,145.44 × 3,331.94
  4. Step 4: Simplify right side
    12,099.14x = 60,459,517.35
  5. Step 5: Solve for x
    x = 60,459,517.35/12,099.14
  6. Step 6: Final answer
    x = 4,997.01

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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.