Home / 12,069.85-18,107.60-3,749.44

Finding the Fourth Proportional to 12,069.85, 18,107.60 and 3,749.44

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Solution

The fourth proportional to 12,069.85, 18,107.60 and 3,749.44 is: 5,625.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.85 : 18,107.60 = 3,749.44 : x
  2. Step 2: Convert to fraction form
    12,069.85/18,107.60 = 3,749.44/x
  3. Step 3: Cross multiply
    12,069.85x = 18,107.60 × 3,749.44
  4. Step 4: Simplify right side
    12,069.85x = 67,893,359.74
  5. Step 5: Solve for x
    x = 67,893,359.74/12,069.85
  6. Step 6: Final answer
    x = 5,625.04

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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.