Home / 11,072.04-16,612.11-5,151.75

Finding the Fourth Proportional to 11,072.04, 16,612.11 and 5,151.75

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Solution

The fourth proportional to 11,072.04, 16,612.11 and 5,151.75 is: 7,729.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.04 : 16,612.11 = 5,151.75 : x
  2. Step 2: Convert to fraction form
    11,072.04/16,612.11 = 5,151.75/x
  3. Step 3: Cross multiply
    11,072.04x = 16,612.11 × 5,151.75
  4. Step 4: Simplify right side
    11,072.04x = 85,581,437.69
  5. Step 5: Solve for x
    x = 85,581,437.69/11,072.04
  6. Step 6: Final answer
    x = 7,729.51

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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.