Home / 8,183.03-11,291.43-4,645.56

Finding the Fourth Proportional to 8,183.03, 11,291.43 and 4,645.56

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Solution

The fourth proportional to 8,183.03, 11,291.43 and 4,645.56 is: 6,410.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.03 : 11,291.43 = 4,645.56 : x
  2. Step 2: Convert to fraction form
    8,183.03/11,291.43 = 4,645.56/x
  3. Step 3: Cross multiply
    8,183.03x = 11,291.43 × 4,645.56
  4. Step 4: Simplify right side
    8,183.03x = 52,455,015.55
  5. Step 5: Solve for x
    x = 52,455,015.55/8,183.03
  6. Step 6: Final answer
    x = 6,410.22

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.