Home / 10,495.25-15,742.86-7,198.35

Finding the Fourth Proportional to 10,495.25, 15,742.86 and 7,198.35

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Solution

The fourth proportional to 10,495.25, 15,742.86 and 7,198.35 is: 10,797.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,495.25 : 15,742.86 = 7,198.35 : x
  2. Step 2: Convert to fraction form
    10,495.25/15,742.86 = 7,198.35/x
  3. Step 3: Cross multiply
    10,495.25x = 15,742.86 × 7,198.35
  4. Step 4: Simplify right side
    10,495.25x = 113,322,616.28
  5. Step 5: Solve for x
    x = 113,322,616.28/10,495.25
  6. Step 6: Final answer
    x = 10,797.51

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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.