Home / 11,011.62-15,217.26-8,183.10

Finding the Fourth Proportional to 11,011.62, 15,217.26 and 8,183.10

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Solution

The fourth proportional to 11,011.62, 15,217.26 and 8,183.10 is: 11,308.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.62 : 15,217.26 = 8,183.10 : x
  2. Step 2: Convert to fraction form
    11,011.62/15,217.26 = 8,183.10/x
  3. Step 3: Cross multiply
    11,011.62x = 15,217.26 × 8,183.10
  4. Step 4: Simplify right side
    11,011.62x = 124,524,360.31
  5. Step 5: Solve for x
    x = 124,524,360.31/11,011.62
  6. Step 6: Final answer
    x = 11,308.45

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Half scale
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Double scale
Find fourth proportional to 11,012.62, 15,218.64 and 8,184.10
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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.