Home / 12,162.04-18,243.11-3,397.03

Finding the Fourth Proportional to 12,162.04, 18,243.11 and 3,397.03

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Solution

The fourth proportional to 12,162.04, 18,243.11 and 3,397.03 is: 5,095.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162.04 : 18,243.11 = 3,397.03 : x
  2. Step 2: Convert to fraction form
    12,162.04/18,243.11 = 3,397.03/x
  3. Step 3: Cross multiply
    12,162.04x = 18,243.11 × 3,397.03
  4. Step 4: Simplify right side
    12,162.04x = 61,972,391.96
  5. Step 5: Solve for x
    x = 61,972,391.96/12,162.04
  6. Step 6: Final answer
    x = 5,095.56

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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.