Home / 10,081.56-15,122.44-3,507.96

Finding the Fourth Proportional to 10,081.56, 15,122.44 and 3,507.96

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Solution

The fourth proportional to 10,081.56, 15,122.44 and 3,507.96 is: 5,261.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.56 : 15,122.44 = 3,507.96 : x
  2. Step 2: Convert to fraction form
    10,081.56/15,122.44 = 3,507.96/x
  3. Step 3: Cross multiply
    10,081.56x = 15,122.44 × 3,507.96
  4. Step 4: Simplify right side
    10,081.56x = 53,048,914.62
  5. Step 5: Solve for x
    x = 53,048,914.62/10,081.56
  6. Step 6: Final answer
    x = 5,261.97

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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.