Home / 11,333.17-15,639.78-6,616.54

Finding the Fourth Proportional to 11,333.17, 15,639.78 and 6,616.54

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Solution

The fourth proportional to 11,333.17, 15,639.78 and 6,616.54 is: 9,130.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.17 : 15,639.78 = 6,616.54 : x
  2. Step 2: Convert to fraction form
    11,333.17/15,639.78 = 6,616.54/x
  3. Step 3: Cross multiply
    11,333.17x = 15,639.78 × 6,616.54
  4. Step 4: Simplify right side
    11,333.17x = 103,481,229.96
  5. Step 5: Solve for x
    x = 103,481,229.96/11,333.17
  6. Step 6: Final answer
    x = 9,130.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.