Home / 8,135.22-11,226.42-4,550.16

Finding the Fourth Proportional to 8,135.22, 11,226.42 and 4,550.16

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Solution

The fourth proportional to 8,135.22, 11,226.42 and 4,550.16 is: 6,279.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.22 : 11,226.42 = 4,550.16 : x
  2. Step 2: Convert to fraction form
    8,135.22/11,226.42 = 4,550.16/x
  3. Step 3: Cross multiply
    8,135.22x = 11,226.42 × 4,550.16
  4. Step 4: Simplify right side
    8,135.22x = 51,082,007.23
  5. Step 5: Solve for x
    x = 51,082,007.23/8,135.22
  6. Step 6: Final answer
    x = 6,279.12

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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.