Home / 8,410.43-11,618.18-7,967.57

Finding the Fourth Proportional to 8,410.43, 11,618.18 and 7,967.57

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Solution

The fourth proportional to 8,410.43, 11,618.18 and 7,967.57 is: 11,006.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,410.43 : 11,618.18 = 7,967.57 : x
  2. Step 2: Convert to fraction form
    8,410.43/11,618.18 = 7,967.57/x
  3. Step 3: Cross multiply
    8,410.43x = 11,618.18 × 7,967.57
  4. Step 4: Simplify right side
    8,410.43x = 92,568,662.42
  5. Step 5: Solve for x
    x = 92,568,662.42/8,410.43
  6. Step 6: Final answer
    x = 11,006.41

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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.