Home / 11,180.25-16,770.33-8,716.88

Finding the Fourth Proportional to 11,180.25, 16,770.33 and 8,716.88

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Solution

The fourth proportional to 11,180.25, 16,770.33 and 8,716.88 is: 13,075.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.25 : 16,770.33 = 8,716.88 : x
  2. Step 2: Convert to fraction form
    11,180.25/16,770.33 = 8,716.88/x
  3. Step 3: Cross multiply
    11,180.25x = 16,770.33 × 8,716.88
  4. Step 4: Simplify right side
    11,180.25x = 146,184,996.10
  5. Step 5: Solve for x
    x = 146,184,996.10/11,180.25
  6. Step 6: Final answer
    x = 13,075.29

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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.