Home / 9,620.37-14,438.79-3,781.08

Finding the Fourth Proportional to 9,620.37, 14,438.79 and 3,781.08

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Solution

The fourth proportional to 9,620.37, 14,438.79 and 3,781.08 is: 5,674.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620.37 : 14,438.79 = 3,781.08 : x
  2. Step 2: Convert to fraction form
    9,620.37/14,438.79 = 3,781.08/x
  3. Step 3: Cross multiply
    9,620.37x = 14,438.79 × 3,781.08
  4. Step 4: Simplify right side
    9,620.37x = 54,594,220.09
  5. Step 5: Solve for x
    x = 54,594,220.09/9,620.37
  6. Step 6: Final answer
    x = 5,674.86

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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.