Home / 10,542.37-15,811.90-3,522.32

Finding the Fourth Proportional to 10,542.37, 15,811.90 and 3,522.32

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Solution

The fourth proportional to 10,542.37, 15,811.90 and 3,522.32 is: 5,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542.37 : 15,811.90 = 3,522.32 : x
  2. Step 2: Convert to fraction form
    10,542.37/15,811.90 = 3,522.32/x
  3. Step 3: Cross multiply
    10,542.37x = 15,811.90 × 3,522.32
  4. Step 4: Simplify right side
    10,542.37x = 55,694,604.79
  5. Step 5: Solve for x
    x = 55,694,604.79/10,542.37
  6. Step 6: Final answer
    x = 5,282.93

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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.