Home / 12,100.09-18,150.22-3,335.48

Finding the Fourth Proportional to 12,100.09, 18,150.22 and 3,335.48

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Solution

The fourth proportional to 12,100.09, 18,150.22 and 3,335.48 is: 5,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100.09 : 18,150.22 = 3,335.48 : x
  2. Step 2: Convert to fraction form
    12,100.09/18,150.22 = 3,335.48/x
  3. Step 3: Cross multiply
    12,100.09x = 18,150.22 × 3,335.48
  4. Step 4: Simplify right side
    12,100.09x = 60,539,695.81
  5. Step 5: Solve for x
    x = 60,539,695.81/12,100.09
  6. Step 6: Final answer
    x = 5,003.24

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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.