Home / 10,091.44-15,139.14-3,517.84

Finding the Fourth Proportional to 10,091.44, 15,139.14 and 3,517.84

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Solution

The fourth proportional to 10,091.44, 15,139.14 and 3,517.84 is: 5,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.44 : 15,139.14 = 3,517.84 : x
  2. Step 2: Convert to fraction form
    10,091.44/15,139.14 = 3,517.84/x
  3. Step 3: Cross multiply
    10,091.44x = 15,139.14 × 3,517.84
  4. Step 4: Simplify right side
    10,091.44x = 53,257,072.26
  5. Step 5: Solve for x
    x = 53,257,072.26/10,091.44
  6. Step 6: Final answer
    x = 5,277.45

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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.