Home / 8,370.06-12,546.99-3,986.34

Finding the Fourth Proportional to 8,370.06, 12,546.99 and 3,986.34

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Solution

The fourth proportional to 8,370.06, 12,546.99 and 3,986.34 is: 5,975.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.06 : 12,546.99 = 3,986.34 : x
  2. Step 2: Convert to fraction form
    8,370.06/12,546.99 = 3,986.34/x
  3. Step 3: Cross multiply
    8,370.06x = 12,546.99 × 3,986.34
  4. Step 4: Simplify right side
    8,370.06x = 50,016,568.12
  5. Step 5: Solve for x
    x = 50,016,568.12/8,370.06
  6. Step 6: Final answer
    x = 5,975.65

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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.