Home / 8,246.19-12,369.36-6,613.11

Finding the Fourth Proportional to 8,246.19, 12,369.36 and 6,613.11

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Solution

The fourth proportional to 8,246.19, 12,369.36 and 6,613.11 is: 9,919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.19 : 12,369.36 = 6,613.11 : x
  2. Step 2: Convert to fraction form
    8,246.19/12,369.36 = 6,613.11/x
  3. Step 3: Cross multiply
    8,246.19x = 12,369.36 × 6,613.11
  4. Step 4: Simplify right side
    8,246.19x = 81,799,993.85
  5. Step 5: Solve for x
    x = 81,799,993.85/8,246.19
  6. Step 6: Final answer
    x = 9,919.74

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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.