Home / 8,074.74-12,112.05-2,231.34

Finding the Fourth Proportional to 8,074.74, 12,112.05 and 2,231.34

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Solution

The fourth proportional to 8,074.74, 12,112.05 and 2,231.34 is: 3,346.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.74 : 12,112.05 = 2,231.34 : x
  2. Step 2: Convert to fraction form
    8,074.74/12,112.05 = 2,231.34/x
  3. Step 3: Cross multiply
    8,074.74x = 12,112.05 × 2,231.34
  4. Step 4: Simplify right side
    8,074.74x = 27,026,101.65
  5. Step 5: Solve for x
    x = 27,026,101.65/8,074.74
  6. Step 6: Final answer
    x = 3,346.99

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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.