Home / 10,717.76-16,076.84-2,926.80

Finding the Fourth Proportional to 10,717.76, 16,076.84 and 2,926.80

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Solution

The fourth proportional to 10,717.76, 16,076.84 and 2,926.80 is: 4,390.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.76 : 16,076.84 = 2,926.80 : x
  2. Step 2: Convert to fraction form
    10,717.76/16,076.84 = 2,926.80/x
  3. Step 3: Cross multiply
    10,717.76x = 16,076.84 × 2,926.80
  4. Step 4: Simplify right side
    10,717.76x = 47,053,695.31
  5. Step 5: Solve for x
    x = 47,053,695.31/10,717.76
  6. Step 6: Final answer
    x = 4,390.25

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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.