Home / 10,776.66-16,164.98-3,381.70

Finding the Fourth Proportional to 10,776.66, 16,164.98 and 3,381.70

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Solution

The fourth proportional to 10,776.66, 16,164.98 and 3,381.70 is: 5,072.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.66 : 16,164.98 = 3,381.70 : x
  2. Step 2: Convert to fraction form
    10,776.66/16,164.98 = 3,381.70/x
  3. Step 3: Cross multiply
    10,776.66x = 16,164.98 × 3,381.70
  4. Step 4: Simplify right side
    10,776.66x = 54,665,112.87
  5. Step 5: Solve for x
    x = 54,665,112.87/10,776.66
  6. Step 6: Final answer
    x = 5,072.55

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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.