Home / 12,093.92-18,140.39-3,328.60

Finding the Fourth Proportional to 12,093.92, 18,140.39 and 3,328.60

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Solution

The fourth proportional to 12,093.92, 18,140.39 and 3,328.60 is: 4,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.92 : 18,140.39 = 3,328.60 : x
  2. Step 2: Convert to fraction form
    12,093.92/18,140.39 = 3,328.60/x
  3. Step 3: Cross multiply
    12,093.92x = 18,140.39 × 3,328.60
  4. Step 4: Simplify right side
    12,093.92x = 60,381,994.81
  5. Step 5: Solve for x
    x = 60,381,994.81/12,093.92
  6. Step 6: Final answer
    x = 4,992.76

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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.