Home / 11,778.27-17,667.39-3,013.19

Finding the Fourth Proportional to 11,778.27, 17,667.39 and 3,013.19

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Solution

The fourth proportional to 11,778.27, 17,667.39 and 3,013.19 is: 4,519.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.27 : 17,667.39 = 3,013.19 : x
  2. Step 2: Convert to fraction form
    11,778.27/17,667.39 = 3,013.19/x
  3. Step 3: Cross multiply
    11,778.27x = 17,667.39 × 3,013.19
  4. Step 4: Simplify right side
    11,778.27x = 53,235,114.54
  5. Step 5: Solve for x
    x = 53,235,114.54/11,778.27
  6. Step 6: Final answer
    x = 4,519.77

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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.