Home / 9,013.66-13,520.14-4,083.28

Finding the Fourth Proportional to 9,013.66, 13,520.14 and 4,083.28

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Solution

The fourth proportional to 9,013.66, 13,520.14 and 4,083.28 is: 6,124.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.66 : 13,520.14 = 4,083.28 : x
  2. Step 2: Convert to fraction form
    9,013.66/13,520.14 = 4,083.28/x
  3. Step 3: Cross multiply
    9,013.66x = 13,520.14 × 4,083.28
  4. Step 4: Simplify right side
    9,013.66x = 55,206,517.26
  5. Step 5: Solve for x
    x = 55,206,517.26/9,013.66
  6. Step 6: Final answer
    x = 6,124.76

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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.