Home / 9,996.22-13,794.68-5,520.16

Finding the Fourth Proportional to 9,996.22, 13,794.68 and 5,520.16

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Solution

The fourth proportional to 9,996.22, 13,794.68 and 5,520.16 is: 7,617.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,996.22 : 13,794.68 = 5,520.16 : x
  2. Step 2: Convert to fraction form
    9,996.22/13,794.68 = 5,520.16/x
  3. Step 3: Cross multiply
    9,996.22x = 13,794.68 × 5,520.16
  4. Step 4: Simplify right side
    9,996.22x = 76,148,840.75
  5. Step 5: Solve for x
    x = 76,148,840.75/9,996.22
  6. Step 6: Final answer
    x = 7,617.76

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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.