Home / 8,838.44-12,192.96-5,650.90

Finding the Fourth Proportional to 8,838.44, 12,192.96 and 5,650.90

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Solution

The fourth proportional to 8,838.44, 12,192.96 and 5,650.90 is: 7,795.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,838.44 : 12,192.96 = 5,650.90 : x
  2. Step 2: Convert to fraction form
    8,838.44/12,192.96 = 5,650.90/x
  3. Step 3: Cross multiply
    8,838.44x = 12,192.96 × 5,650.90
  4. Step 4: Simplify right side
    8,838.44x = 68,901,197.66
  5. Step 5: Solve for x
    x = 68,901,197.66/8,838.44
  6. Step 6: Final answer
    x = 7,795.63

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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.