Home / 11,173.96-16,757.40-3,776.80

Finding the Fourth Proportional to 11,173.96, 16,757.40 and 3,776.80

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Solution

The fourth proportional to 11,173.96, 16,757.40 and 3,776.80 is: 5,664.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.96 : 16,757.40 = 3,776.80 : x
  2. Step 2: Convert to fraction form
    11,173.96/16,757.40 = 3,776.80/x
  3. Step 3: Cross multiply
    11,173.96x = 16,757.40 × 3,776.80
  4. Step 4: Simplify right side
    11,173.96x = 63,289,348.32
  5. Step 5: Solve for x
    x = 63,289,348.32/11,173.96
  6. Step 6: Final answer
    x = 5,664.00

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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.