Home / 12,069.92-18,100.44-4,170.43

Finding the Fourth Proportional to 12,069.92, 18,100.44 and 4,170.43

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Solution

The fourth proportional to 12,069.92, 18,100.44 and 4,170.43 is: 6,254.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.92 : 18,100.44 = 4,170.43 : x
  2. Step 2: Convert to fraction form
    12,069.92/18,100.44 = 4,170.43/x
  3. Step 3: Cross multiply
    12,069.92x = 18,100.44 × 4,170.43
  4. Step 4: Simplify right side
    12,069.92x = 75,486,617.99
  5. Step 5: Solve for x
    x = 75,486,617.99/12,069.92
  6. Step 6: Final answer
    x = 6,254.11

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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.