Home / 6,169.46-8,512.88-3,515.90

Finding the Fourth Proportional to 6,169.46, 8,512.88 and 3,515.90

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Solution

The fourth proportional to 6,169.46, 8,512.88 and 3,515.90 is: 4,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,169.46 : 8,512.88 = 3,515.90 : x
  2. Step 2: Convert to fraction form
    6,169.46/8,512.88 = 3,515.90/x
  3. Step 3: Cross multiply
    6,169.46x = 8,512.88 × 3,515.90
  4. Step 4: Simplify right side
    6,169.46x = 29,930,374.65
  5. Step 5: Solve for x
    x = 29,930,374.65/6,169.46
  6. Step 6: Final answer
    x = 4,851.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.