Home / 6,923.75-10,388.67-3,636.08

Finding the Fourth Proportional to 6,923.75, 10,388.67 and 3,636.08

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Solution

The fourth proportional to 6,923.75, 10,388.67 and 3,636.08 is: 5,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.75 : 10,388.67 = 3,636.08 : x
  2. Step 2: Convert to fraction form
    6,923.75/10,388.67 = 3,636.08/x
  3. Step 3: Cross multiply
    6,923.75x = 10,388.67 × 3,636.08
  4. Step 4: Simplify right side
    6,923.75x = 37,773,965.09
  5. Step 5: Solve for x
    x = 37,773,965.09/6,923.75
  6. Step 6: Final answer
    x = 5,455.71

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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.