Home / 10,776.60-16,164.91-3,381.64

Finding the Fourth Proportional to 10,776.60, 16,164.91 and 3,381.64

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Solution

The fourth proportional to 10,776.60, 16,164.91 and 3,381.64 is: 5,072.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.60 : 16,164.91 = 3,381.64 : x
  2. Step 2: Convert to fraction form
    10,776.60/16,164.91 = 3,381.64/x
  3. Step 3: Cross multiply
    10,776.60x = 16,164.91 × 3,381.64
  4. Step 4: Simplify right side
    10,776.60x = 54,663,906.25
  5. Step 5: Solve for x
    x = 54,663,906.25/10,776.60
  6. Step 6: Final answer
    x = 5,072.46

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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.