Home / 9,799.62-13,522.91-5,818.20

Finding the Fourth Proportional to 9,799.62, 13,522.91 and 5,818.20

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Solution

The fourth proportional to 9,799.62, 13,522.91 and 5,818.20 is: 8,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,799.62 : 13,522.91 = 5,818.20 : x
  2. Step 2: Convert to fraction form
    9,799.62/13,522.91 = 5,818.20/x
  3. Step 3: Cross multiply
    9,799.62x = 13,522.91 × 5,818.20
  4. Step 4: Simplify right side
    9,799.62x = 78,678,994.96
  5. Step 5: Solve for x
    x = 78,678,994.96/9,799.62
  6. Step 6: Final answer
    x = 8,028.78

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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.