Home / 9,132.22-13,696.96-2,891.42

Finding the Fourth Proportional to 9,132.22, 13,696.96 and 2,891.42

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Solution

The fourth proportional to 9,132.22, 13,696.96 and 2,891.42 is: 4,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.22 : 13,696.96 = 2,891.42 : x
  2. Step 2: Convert to fraction form
    9,132.22/13,696.96 = 2,891.42/x
  3. Step 3: Cross multiply
    9,132.22x = 13,696.96 × 2,891.42
  4. Step 4: Simplify right side
    9,132.22x = 39,603,716.64
  5. Step 5: Solve for x
    x = 39,603,716.64/9,132.22
  6. Step 6: Final answer
    x = 4,336.70

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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.