Home / 11,419.27-17,137.56-4,850.07

Finding the Fourth Proportional to 11,419.27, 17,137.56 and 4,850.07

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Solution

The fourth proportional to 11,419.27, 17,137.56 and 4,850.07 is: 7,278.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.27 : 17,137.56 = 4,850.07 : x
  2. Step 2: Convert to fraction form
    11,419.27/17,137.56 = 4,850.07/x
  3. Step 3: Cross multiply
    11,419.27x = 17,137.56 × 4,850.07
  4. Step 4: Simplify right side
    11,419.27x = 83,118,365.63
  5. Step 5: Solve for x
    x = 83,118,365.63/11,419.27
  6. Step 6: Final answer
    x = 7,278.78

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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.