Home / 8,183.40-11,291.22-4,646.28

Finding the Fourth Proportional to 8,183.40, 11,291.22 and 4,646.28

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Solution

The fourth proportional to 8,183.40, 11,291.22 and 4,646.28 is: 6,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.40 : 11,291.22 = 4,646.28 : x
  2. Step 2: Convert to fraction form
    8,183.40/11,291.22 = 4,646.28/x
  3. Step 3: Cross multiply
    8,183.40x = 11,291.22 × 4,646.28
  4. Step 4: Simplify right side
    8,183.40x = 52,462,169.66
  5. Step 5: Solve for x
    x = 52,462,169.66/8,183.40
  6. Step 6: Final answer
    x = 6,410.80

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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.