Home / 9,131.68-13,700.22-3,863.98

Finding the Fourth Proportional to 9,131.68, 13,700.22 and 3,863.98

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Solution

The fourth proportional to 9,131.68, 13,700.22 and 3,863.98 is: 5,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131.68 : 13,700.22 = 3,863.98 : x
  2. Step 2: Convert to fraction form
    9,131.68/13,700.22 = 3,863.98/x
  3. Step 3: Cross multiply
    9,131.68x = 13,700.22 × 3,863.98
  4. Step 4: Simplify right side
    9,131.68x = 52,937,376.08
  5. Step 5: Solve for x
    x = 52,937,376.08/9,131.68
  6. Step 6: Final answer
    x = 5,797.11

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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.