Home / 9,107.10-13,660.11-3,183.57

Finding the Fourth Proportional to 9,107.10, 13,660.11 and 3,183.57

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Solution

The fourth proportional to 9,107.10, 13,660.11 and 3,183.57 is: 4,775.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.10 : 13,660.11 = 3,183.57 : x
  2. Step 2: Convert to fraction form
    9,107.10/13,660.11 = 3,183.57/x
  3. Step 3: Cross multiply
    9,107.10x = 13,660.11 × 3,183.57
  4. Step 4: Simplify right side
    9,107.10x = 43,487,916.39
  5. Step 5: Solve for x
    x = 43,487,916.39/9,107.10
  6. Step 6: Final answer
    x = 4,775.17

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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.