Home / 8,183.12-11,292.60-4,457.12

Finding the Fourth Proportional to 8,183.12, 11,292.60 and 4,457.12

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Solution

The fourth proportional to 8,183.12, 11,292.60 and 4,457.12 is: 6,150.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.12 : 11,292.60 = 4,457.12 : x
  2. Step 2: Convert to fraction form
    8,183.12/11,292.60 = 4,457.12/x
  3. Step 3: Cross multiply
    8,183.12x = 11,292.60 × 4,457.12
  4. Step 4: Simplify right side
    8,183.12x = 50,332,473.31
  5. Step 5: Solve for x
    x = 50,332,473.31/8,183.12
  6. Step 6: Final answer
    x = 6,150.77

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Half scale
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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.