Home / 11,615.97-17,436.24-7,236.45

Finding the Fourth Proportional to 11,615.97, 17,436.24 and 7,236.45

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Solution

The fourth proportional to 11,615.97, 17,436.24 and 7,236.45 is: 10,862.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.97 : 17,436.24 = 7,236.45 : x
  2. Step 2: Convert to fraction form
    11,615.97/17,436.24 = 7,236.45/x
  3. Step 3: Cross multiply
    11,615.97x = 17,436.24 × 7,236.45
  4. Step 4: Simplify right side
    11,615.97x = 126,176,478.95
  5. Step 5: Solve for x
    x = 126,176,478.95/11,615.97
  6. Step 6: Final answer
    x = 10,862.33

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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.