Home / 9,690.20-14,516.26-5,517.48

Finding the Fourth Proportional to 9,690.20, 14,516.26 and 5,517.48

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Solution

The fourth proportional to 9,690.20, 14,516.26 and 5,517.48 is: 8,265.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690.20 : 14,516.26 = 5,517.48 : x
  2. Step 2: Convert to fraction form
    9,690.20/14,516.26 = 5,517.48/x
  3. Step 3: Cross multiply
    9,690.20x = 14,516.26 × 5,517.48
  4. Step 4: Simplify right side
    9,690.20x = 80,093,160.43
  5. Step 5: Solve for x
    x = 80,093,160.43/9,690.20
  6. Step 6: Final answer
    x = 8,265.38

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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.