Home / 10,091.97-15,137.46-3,518.64

Finding the Fourth Proportional to 10,091.97, 15,137.46 and 3,518.64

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Solution

The fourth proportional to 10,091.97, 15,137.46 and 3,518.64 is: 5,277.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.97 : 15,137.46 = 3,518.64 : x
  2. Step 2: Convert to fraction form
    10,091.97/15,137.46 = 3,518.64/x
  3. Step 3: Cross multiply
    10,091.97x = 15,137.46 × 3,518.64
  4. Step 4: Simplify right side
    10,091.97x = 53,263,272.25
  5. Step 5: Solve for x
    x = 53,263,272.25/10,091.97
  6. Step 6: Final answer
    x = 5,277.79

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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.