Home / 8,157.44-11,261.94-5,371.04

Finding the Fourth Proportional to 8,157.44, 11,261.94 and 5,371.04

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Solution

The fourth proportional to 8,157.44, 11,261.94 and 5,371.04 is: 7,415.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.44 : 11,261.94 = 5,371.04 : x
  2. Step 2: Convert to fraction form
    8,157.44/11,261.94 = 5,371.04/x
  3. Step 3: Cross multiply
    8,157.44x = 11,261.94 × 5,371.04
  4. Step 4: Simplify right side
    8,157.44x = 60,488,338.23
  5. Step 5: Solve for x
    x = 60,488,338.23/8,157.44
  6. Step 6: Final answer
    x = 7,415.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.