Home / 12,168.06-18,252.11-3,403.05

Finding the Fourth Proportional to 12,168.06, 18,252.11 and 3,403.05

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Solution

The fourth proportional to 12,168.06, 18,252.11 and 3,403.05 is: 5,104.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168.06 : 18,252.11 = 3,403.05 : x
  2. Step 2: Convert to fraction form
    12,168.06/18,252.11 = 3,403.05/x
  3. Step 3: Cross multiply
    12,168.06x = 18,252.11 × 3,403.05
  4. Step 4: Simplify right side
    12,168.06x = 62,112,842.94
  5. Step 5: Solve for x
    x = 62,112,842.94/12,168.06
  6. Step 6: Final answer
    x = 5,104.58

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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.