Home / 12,183.27-18,275.04-4,286.01

Finding the Fourth Proportional to 12,183.27, 18,275.04 and 4,286.01

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Solution

The fourth proportional to 12,183.27, 18,275.04 and 4,286.01 is: 6,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.27 : 18,275.04 = 4,286.01 : x
  2. Step 2: Convert to fraction form
    12,183.27/18,275.04 = 4,286.01/x
  3. Step 3: Cross multiply
    12,183.27x = 18,275.04 × 4,286.01
  4. Step 4: Simplify right side
    12,183.27x = 78,327,004.19
  5. Step 5: Solve for x
    x = 78,327,004.19/12,183.27
  6. Step 6: Final answer
    x = 6,429.06

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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.