Home / 9,192.24-12,684.60-5,212.44

Finding the Fourth Proportional to 9,192.24, 12,684.60 and 5,212.44

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Solution

The fourth proportional to 9,192.24, 12,684.60 and 5,212.44 is: 7,192.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.24 : 12,684.60 = 5,212.44 : x
  2. Step 2: Convert to fraction form
    9,192.24/12,684.60 = 5,212.44/x
  3. Step 3: Cross multiply
    9,192.24x = 12,684.60 × 5,212.44
  4. Step 4: Simplify right side
    9,192.24x = 66,117,716.42
  5. Step 5: Solve for x
    x = 66,117,716.42/9,192.24
  6. Step 6: Final answer
    x = 7,192.78

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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.