Home / 12,112.14-18,168.18-3,347.04

Finding the Fourth Proportional to 12,112.14, 18,168.18 and 3,347.04

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Solution

The fourth proportional to 12,112.14, 18,168.18 and 3,347.04 is: 5,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112.14 : 18,168.18 = 3,347.04 : x
  2. Step 2: Convert to fraction form
    12,112.14/18,168.18 = 3,347.04/x
  3. Step 3: Cross multiply
    12,112.14x = 18,168.18 × 3,347.04
  4. Step 4: Simplify right side
    12,112.14x = 60,809,625.19
  5. Step 5: Solve for x
    x = 60,809,625.19/12,112.14
  6. Step 6: Final answer
    x = 5,020.55

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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.