Home / 12,100.23-18,150.33-3,335.15

Finding the Fourth Proportional to 12,100.23, 18,150.33 and 3,335.15

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Solution

The fourth proportional to 12,100.23, 18,150.33 and 3,335.15 is: 5,002.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100.23 : 18,150.33 = 3,335.15 : x
  2. Step 2: Convert to fraction form
    12,100.23/18,150.33 = 3,335.15/x
  3. Step 3: Cross multiply
    12,100.23x = 18,150.33 × 3,335.15
  4. Step 4: Simplify right side
    12,100.23x = 60,533,982.35
  5. Step 5: Solve for x
    x = 60,533,982.35/12,100.23
  6. Step 6: Final answer
    x = 5,002.71

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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.