Home / 9,131.27-13,696.59-3,864.83

Finding the Fourth Proportional to 9,131.27, 13,696.59 and 3,864.83

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Solution

The fourth proportional to 9,131.27, 13,696.59 and 3,864.83 is: 5,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131.27 : 13,696.59 = 3,864.83 : x
  2. Step 2: Convert to fraction form
    9,131.27/13,696.59 = 3,864.83/x
  3. Step 3: Cross multiply
    9,131.27x = 13,696.59 × 3,864.83
  4. Step 4: Simplify right side
    9,131.27x = 52,934,991.93
  5. Step 5: Solve for x
    x = 52,934,991.93/9,131.27
  6. Step 6: Final answer
    x = 5,797.11

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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.