Home / 11,423.57-17,138.05-3,632.38

Finding the Fourth Proportional to 11,423.57, 17,138.05 and 3,632.38

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Solution

The fourth proportional to 11,423.57, 17,138.05 and 3,632.38 is: 5,449.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.57 : 17,138.05 = 3,632.38 : x
  2. Step 2: Convert to fraction form
    11,423.57/17,138.05 = 3,632.38/x
  3. Step 3: Cross multiply
    11,423.57x = 17,138.05 × 3,632.38
  4. Step 4: Simplify right side
    11,423.57x = 62,251,858.13
  5. Step 5: Solve for x
    x = 62,251,858.13/11,423.57
  6. Step 6: Final answer
    x = 5,449.42

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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.