Home / 10,926.95-16,390.43-2,718.95

Finding the Fourth Proportional to 10,926.95, 16,390.43 and 2,718.95

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Solution

The fourth proportional to 10,926.95, 16,390.43 and 2,718.95 is: 4,078.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.95 : 16,390.43 = 2,718.95 : x
  2. Step 2: Convert to fraction form
    10,926.95/16,390.43 = 2,718.95/x
  3. Step 3: Cross multiply
    10,926.95x = 16,390.43 × 2,718.95
  4. Step 4: Simplify right side
    10,926.95x = 44,564,759.65
  5. Step 5: Solve for x
    x = 44,564,759.65/10,926.95
  6. Step 6: Final answer
    x = 4,078.43

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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.