Home / 11,185.50-16,777.87-2,865.59

Finding the Fourth Proportional to 11,185.50, 16,777.87 and 2,865.59

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Solution

The fourth proportional to 11,185.50, 16,777.87 and 2,865.59 is: 4,298.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.50 : 16,777.87 = 2,865.59 : x
  2. Step 2: Convert to fraction form
    11,185.50/16,777.87 = 2,865.59/x
  3. Step 3: Cross multiply
    11,185.50x = 16,777.87 × 2,865.59
  4. Step 4: Simplify right side
    11,185.50x = 48,078,468.36
  5. Step 5: Solve for x
    x = 48,078,468.36/11,185.50
  6. Step 6: Final answer
    x = 4,298.28

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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.