Home / 6,929.81-10,388.24-2,546.09

Finding the Fourth Proportional to 6,929.81, 10,388.24 and 2,546.09

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Solution

The fourth proportional to 6,929.81, 10,388.24 and 2,546.09 is: 3,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.81 : 10,388.24 = 2,546.09 : x
  2. Step 2: Convert to fraction form
    6,929.81/10,388.24 = 2,546.09/x
  3. Step 3: Cross multiply
    6,929.81x = 10,388.24 × 2,546.09
  4. Step 4: Simplify right side
    6,929.81x = 26,449,381.25
  5. Step 5: Solve for x
    x = 26,449,381.25/6,929.81
  6. Step 6: Final answer
    x = 3,816.75

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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.