Home / 8,716.56-13,074.72-6,131.04

Finding the Fourth Proportional to 8,716.56, 13,074.72 and 6,131.04

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Solution

The fourth proportional to 8,716.56, 13,074.72 and 6,131.04 is: 9,196.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.56 : 13,074.72 = 6,131.04 : x
  2. Step 2: Convert to fraction form
    8,716.56/13,074.72 = 6,131.04/x
  3. Step 3: Cross multiply
    8,716.56x = 13,074.72 × 6,131.04
  4. Step 4: Simplify right side
    8,716.56x = 80,161,631.31
  5. Step 5: Solve for x
    x = 80,161,631.31/8,716.56
  6. Step 6: Final answer
    x = 9,196.48

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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.