Home / 7,183.76-10,775.64-3,286.16

Finding the Fourth Proportional to 7,183.76, 10,775.64 and 3,286.16

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Solution

The fourth proportional to 7,183.76, 10,775.64 and 3,286.16 is: 4,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.76 : 10,775.64 = 3,286.16 : x
  2. Step 2: Convert to fraction form
    7,183.76/10,775.64 = 3,286.16/x
  3. Step 3: Cross multiply
    7,183.76x = 10,775.64 × 3,286.16
  4. Step 4: Simplify right side
    7,183.76x = 35,410,477.14
  5. Step 5: Solve for x
    x = 35,410,477.14/7,183.76
  6. Step 6: Final answer
    x = 4,929.24

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Double scale
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Similar ratio
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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.