Home / 10,766.07-16,139.36-3,838.95

Finding the Fourth Proportional to 10,766.07, 16,139.36 and 3,838.95

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Solution

The fourth proportional to 10,766.07, 16,139.36 and 3,838.95 is: 5,754.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,766.07 : 16,139.36 = 3,838.95 : x
  2. Step 2: Convert to fraction form
    10,766.07/16,139.36 = 3,838.95/x
  3. Step 3: Cross multiply
    10,766.07x = 16,139.36 × 3,838.95
  4. Step 4: Simplify right side
    10,766.07x = 61,958,205.67
  5. Step 5: Solve for x
    x = 61,958,205.67/10,766.07
  6. Step 6: Final answer
    x = 5,754.95

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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.