Home / 12,797.75-19,199.28-5,402.27

Finding the Fourth Proportional to 12,797.75, 19,199.28 and 5,402.27

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Solution

The fourth proportional to 12,797.75, 19,199.28 and 5,402.27 is: 8,104.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797.75 : 19,199.28 = 5,402.27 : x
  2. Step 2: Convert to fraction form
    12,797.75/19,199.28 = 5,402.27/x
  3. Step 3: Cross multiply
    12,797.75x = 19,199.28 × 5,402.27
  4. Step 4: Simplify right side
    12,797.75x = 103,719,694.37
  5. Step 5: Solve for x
    x = 103,719,694.37/12,797.75
  6. Step 6: Final answer
    x = 8,104.53

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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.