Home / 9,196.44-12,691.36-5,217.72

Finding the Fourth Proportional to 9,196.44, 12,691.36 and 5,217.72

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Solution

The fourth proportional to 9,196.44, 12,691.36 and 5,217.72 is: 7,200.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,196.44 : 12,691.36 = 5,217.72 : x
  2. Step 2: Convert to fraction form
    9,196.44/12,691.36 = 5,217.72/x
  3. Step 3: Cross multiply
    9,196.44x = 12,691.36 × 5,217.72
  4. Step 4: Simplify right side
    9,196.44x = 66,219,962.90
  5. Step 5: Solve for x
    x = 66,219,962.90/9,196.44
  6. Step 6: Final answer
    x = 7,200.61

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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.