Home / 12,793.08-19,192.21-5,397.56

Finding the Fourth Proportional to 12,793.08, 19,192.21 and 5,397.56

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Solution

The fourth proportional to 12,793.08, 19,192.21 and 5,397.56 is: 8,097.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793.08 : 19,192.21 = 5,397.56 : x
  2. Step 2: Convert to fraction form
    12,793.08/19,192.21 = 5,397.56/x
  3. Step 3: Cross multiply
    12,793.08x = 19,192.21 × 5,397.56
  4. Step 4: Simplify right side
    12,793.08x = 103,591,009.05
  5. Step 5: Solve for x
    x = 103,591,009.05/12,793.08
  6. Step 6: Final answer
    x = 8,097.43

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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.