Home / 11,616.05-16,112.39-11,217.77

Finding the Fourth Proportional to 11,616.05, 16,112.39 and 11,217.77

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Solution

The fourth proportional to 11,616.05, 16,112.39 and 11,217.77 is: 15,559.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,616.05 : 16,112.39 = 11,217.77 : x
  2. Step 2: Convert to fraction form
    11,616.05/16,112.39 = 11,217.77/x
  3. Step 3: Cross multiply
    11,616.05x = 16,112.39 × 11,217.77
  4. Step 4: Simplify right side
    11,616.05x = 180,745,153.50
  5. Step 5: Solve for x
    x = 180,745,153.50/11,616.05
  6. Step 6: Final answer
    x = 15,559.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.