Home / 7,867.74-11,801.89-2,672.94

Finding the Fourth Proportional to 7,867.74, 11,801.89 and 2,672.94

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Solution

The fourth proportional to 7,867.74, 11,801.89 and 2,672.94 is: 4,009.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.74 : 11,801.89 = 2,672.94 : x
  2. Step 2: Convert to fraction form
    7,867.74/11,801.89 = 2,672.94/x
  3. Step 3: Cross multiply
    7,867.74x = 11,801.89 × 2,672.94
  4. Step 4: Simplify right side
    7,867.74x = 31,545,743.86
  5. Step 5: Solve for x
    x = 31,545,743.86/7,867.74
  6. Step 6: Final answer
    x = 4,009.51

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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.