Home / 8,073.10-12,109.63-2,229.69

Finding the Fourth Proportional to 8,073.10, 12,109.63 and 2,229.69

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Solution

The fourth proportional to 8,073.10, 12,109.63 and 2,229.69 is: 3,344.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.10 : 12,109.63 = 2,229.69 : x
  2. Step 2: Convert to fraction form
    8,073.10/12,109.63 = 2,229.69/x
  3. Step 3: Cross multiply
    8,073.10x = 12,109.63 × 2,229.69
  4. Step 4: Simplify right side
    8,073.10x = 27,000,709.77
  5. Step 5: Solve for x
    x = 27,000,709.77/8,073.10
  6. Step 6: Final answer
    x = 3,344.53

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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.