Home / 8,068.72-12,103.70-2,225.28

Finding the Fourth Proportional to 8,068.72, 12,103.70 and 2,225.28

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Solution

The fourth proportional to 8,068.72, 12,103.70 and 2,225.28 is: 3,338.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.72 : 12,103.70 = 2,225.28 : x
  2. Step 2: Convert to fraction form
    8,068.72/12,103.70 = 2,225.28/x
  3. Step 3: Cross multiply
    8,068.72x = 12,103.70 × 2,225.28
  4. Step 4: Simplify right side
    8,068.72x = 26,934,121.54
  5. Step 5: Solve for x
    x = 26,934,121.54/8,068.72
  6. Step 6: Final answer
    x = 3,338.09

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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.