Home / 7,427.82-11,137.62-3,048.36

Finding the Fourth Proportional to 7,427.82, 11,137.62 and 3,048.36

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Solution

The fourth proportional to 7,427.82, 11,137.62 and 3,048.36 is: 4,570.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.82 : 11,137.62 = 3,048.36 : x
  2. Step 2: Convert to fraction form
    7,427.82/11,137.62 = 3,048.36/x
  3. Step 3: Cross multiply
    7,427.82x = 11,137.62 × 3,048.36
  4. Step 4: Simplify right side
    7,427.82x = 33,951,475.30
  5. Step 5: Solve for x
    x = 33,951,475.30/7,427.82
  6. Step 6: Final answer
    x = 4,570.85

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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.