Home / 11,034.45-16,555.46-5,191.38

Finding the Fourth Proportional to 11,034.45, 16,555.46 and 5,191.38

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Solution

The fourth proportional to 11,034.45, 16,555.46 and 5,191.38 is: 7,788.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,034.45 : 16,555.46 = 5,191.38 : x
  2. Step 2: Convert to fraction form
    11,034.45/16,555.46 = 5,191.38/x
  3. Step 3: Cross multiply
    11,034.45x = 16,555.46 × 5,191.38
  4. Step 4: Simplify right side
    11,034.45x = 85,945,657.98
  5. Step 5: Solve for x
    x = 85,945,657.98/11,034.45
  6. Step 6: Final answer
    x = 7,788.85

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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.