Home / 12,982.22-19,474.11-4,097.84

Finding the Fourth Proportional to 12,982.22, 19,474.11 and 4,097.84

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Solution

The fourth proportional to 12,982.22, 19,474.11 and 4,097.84 is: 6,147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,982.22 : 19,474.11 = 4,097.84 : x
  2. Step 2: Convert to fraction form
    12,982.22/19,474.11 = 4,097.84/x
  3. Step 3: Cross multiply
    12,982.22x = 19,474.11 × 4,097.84
  4. Step 4: Simplify right side
    12,982.22x = 79,801,810.62
  5. Step 5: Solve for x
    x = 79,801,810.62/12,982.22
  6. Step 6: Final answer
    x = 6,147.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.