Home / 7,924.66-11,889.86-3,711.58

Finding the Fourth Proportional to 7,924.66, 11,889.86 and 3,711.58

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Solution

The fourth proportional to 7,924.66, 11,889.86 and 3,711.58 is: 5,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.66 : 11,889.86 = 3,711.58 : x
  2. Step 2: Convert to fraction form
    7,924.66/11,889.86 = 3,711.58/x
  3. Step 3: Cross multiply
    7,924.66x = 11,889.86 × 3,711.58
  4. Step 4: Simplify right side
    7,924.66x = 44,130,118.30
  5. Step 5: Solve for x
    x = 44,130,118.30/7,924.66
  6. Step 6: Final answer
    x = 5,568.71

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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.