Home / 9,799.61-13,520.20-5,550.24

Finding the Fourth Proportional to 9,799.61, 13,520.20 and 5,550.24

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Solution

The fourth proportional to 9,799.61, 13,520.20 and 5,550.24 is: 7,657.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,799.61 : 13,520.20 = 5,550.24 : x
  2. Step 2: Convert to fraction form
    9,799.61/13,520.20 = 5,550.24/x
  3. Step 3: Cross multiply
    9,799.61x = 13,520.20 × 5,550.24
  4. Step 4: Simplify right side
    9,799.61x = 75,040,354.85
  5. Step 5: Solve for x
    x = 75,040,354.85/9,799.61
  6. Step 6: Final answer
    x = 7,657.48

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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.