Home / 11,515.50-17,183.44-10,274.38

Finding the Fourth Proportional to 11,515.50, 17,183.44 and 10,274.38

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Solution

The fourth proportional to 11,515.50, 17,183.44 and 10,274.38 is: 15,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.50 : 17,183.44 = 10,274.38 : x
  2. Step 2: Convert to fraction form
    11,515.50/17,183.44 = 10,274.38/x
  3. Step 3: Cross multiply
    11,515.50x = 17,183.44 × 10,274.38
  4. Step 4: Simplify right side
    11,515.50x = 176,549,192.27
  5. Step 5: Solve for x
    x = 176,549,192.27/11,515.50
  6. Step 6: Final answer
    x = 15,331.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.