Home / 11,170.84-16,756.22-3,379.64

Finding the Fourth Proportional to 11,170.84, 16,756.22 and 3,379.64

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Solution

The fourth proportional to 11,170.84, 16,756.22 and 3,379.64 is: 5,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.84 : 16,756.22 = 3,379.64 : x
  2. Step 2: Convert to fraction form
    11,170.84/16,756.22 = 3,379.64/x
  3. Step 3: Cross multiply
    11,170.84x = 16,756.22 × 3,379.64
  4. Step 4: Simplify right side
    11,170.84x = 56,629,991.36
  5. Step 5: Solve for x
    x = 56,629,991.36/11,170.84
  6. Step 6: Final answer
    x = 5,069.45

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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.