Home / 8,163.50-11,269.07-5,514.49

Finding the Fourth Proportional to 8,163.50, 11,269.07 and 5,514.49

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Solution

The fourth proportional to 8,163.50, 11,269.07 and 5,514.49 is: 7,612.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.50 : 11,269.07 = 5,514.49 : x
  2. Step 2: Convert to fraction form
    8,163.50/11,269.07 = 5,514.49/x
  3. Step 3: Cross multiply
    8,163.50x = 11,269.07 × 5,514.49
  4. Step 4: Simplify right side
    8,163.50x = 62,143,173.82
  5. Step 5: Solve for x
    x = 62,143,173.82/8,163.50
  6. Step 6: Final answer
    x = 7,612.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.