Home / 7,507.82-11,261.55-3,346.78

Finding the Fourth Proportional to 7,507.82, 11,261.55 and 3,346.78

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Solution

The fourth proportional to 7,507.82, 11,261.55 and 3,346.78 is: 5,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.82 : 11,261.55 = 3,346.78 : x
  2. Step 2: Convert to fraction form
    7,507.82/11,261.55 = 3,346.78/x
  3. Step 3: Cross multiply
    7,507.82x = 11,261.55 × 3,346.78
  4. Step 4: Simplify right side
    7,507.82x = 37,689,930.31
  5. Step 5: Solve for x
    x = 37,689,930.31/7,507.82
  6. Step 6: Final answer
    x = 5,020.09

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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.