Home / 10,932.72-16,399.62-4,693.56

Finding the Fourth Proportional to 10,932.72, 16,399.62 and 4,693.56

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Solution

The fourth proportional to 10,932.72, 16,399.62 and 4,693.56 is: 7,040.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.72 : 16,399.62 = 4,693.56 : x
  2. Step 2: Convert to fraction form
    10,932.72/16,399.62 = 4,693.56/x
  3. Step 3: Cross multiply
    10,932.72x = 16,399.62 × 4,693.56
  4. Step 4: Simplify right side
    10,932.72x = 76,972,600.45
  5. Step 5: Solve for x
    x = 76,972,600.45/10,932.72
  6. Step 6: Final answer
    x = 7,040.57

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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.