Home / 10,065.15-15,093.94-3,489.75

Finding the Fourth Proportional to 10,065.15, 15,093.94 and 3,489.75

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Solution

The fourth proportional to 10,065.15, 15,093.94 and 3,489.75 is: 5,233.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.15 : 15,093.94 = 3,489.75 : x
  2. Step 2: Convert to fraction form
    10,065.15/15,093.94 = 3,489.75/x
  3. Step 3: Cross multiply
    10,065.15x = 15,093.94 × 3,489.75
  4. Step 4: Simplify right side
    10,065.15x = 52,673,992.92
  5. Step 5: Solve for x
    x = 52,673,992.92/10,065.15
  6. Step 6: Final answer
    x = 5,233.31

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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.