Home / 11,098.51-16,647.84-2,778.56

Finding the Fourth Proportional to 11,098.51, 16,647.84 and 2,778.56

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Solution

The fourth proportional to 11,098.51, 16,647.84 and 2,778.56 is: 4,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,098.51 : 16,647.84 = 2,778.56 : x
  2. Step 2: Convert to fraction form
    11,098.51/16,647.84 = 2,778.56/x
  3. Step 3: Cross multiply
    11,098.51x = 16,647.84 × 2,778.56
  4. Step 4: Simplify right side
    11,098.51x = 46,256,991.08
  5. Step 5: Solve for x
    x = 46,256,991.08/11,098.51
  6. Step 6: Final answer
    x = 4,167.86

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1.5x scale

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.