Home / 9,143.77-13,721.39-3,596.96

Finding the Fourth Proportional to 9,143.77, 13,721.39 and 3,596.96

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Solution

The fourth proportional to 9,143.77, 13,721.39 and 3,596.96 is: 5,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.77 : 13,721.39 = 3,596.96 : x
  2. Step 2: Convert to fraction form
    9,143.77/13,721.39 = 3,596.96/x
  3. Step 3: Cross multiply
    9,143.77x = 13,721.39 × 3,596.96
  4. Step 4: Simplify right side
    9,143.77x = 49,355,290.97
  5. Step 5: Solve for x
    x = 49,355,290.97/9,143.77
  6. Step 6: Final answer
    x = 5,397.70

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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.