Home / 12,296.14-18,446.23-3,978.25

Finding the Fourth Proportional to 12,296.14, 18,446.23 and 3,978.25

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Solution

The fourth proportional to 12,296.14, 18,446.23 and 3,978.25 is: 5,968.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296.14 : 18,446.23 = 3,978.25 : x
  2. Step 2: Convert to fraction form
    12,296.14/18,446.23 = 3,978.25/x
  3. Step 3: Cross multiply
    12,296.14x = 18,446.23 × 3,978.25
  4. Step 4: Simplify right side
    12,296.14x = 73,383,673.35
  5. Step 5: Solve for x
    x = 73,383,673.35/12,296.14
  6. Step 6: Final answer
    x = 5,968.03

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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.