Home / 10,558.71-15,836.99-2,766.51

Finding the Fourth Proportional to 10,558.71, 15,836.99 and 2,766.51

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Solution

The fourth proportional to 10,558.71, 15,836.99 and 2,766.51 is: 4,149.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.71 : 15,836.99 = 2,766.51 : x
  2. Step 2: Convert to fraction form
    10,558.71/15,836.99 = 2,766.51/x
  3. Step 3: Cross multiply
    10,558.71x = 15,836.99 × 2,766.51
  4. Step 4: Simplify right side
    10,558.71x = 43,813,177.37
  5. Step 5: Solve for x
    x = 43,813,177.37/10,558.71
  6. Step 6: Final answer
    x = 4,149.48

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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.