Home / 7,133.62-9,844.68-3,946.86

Finding the Fourth Proportional to 7,133.62, 9,844.68 and 3,946.86

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Solution

The fourth proportional to 7,133.62, 9,844.68 and 3,946.86 is: 5,446.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.62 : 9,844.68 = 3,946.86 : x
  2. Step 2: Convert to fraction form
    7,133.62/9,844.68 = 3,946.86/x
  3. Step 3: Cross multiply
    7,133.62x = 9,844.68 × 3,946.86
  4. Step 4: Simplify right side
    7,133.62x = 38,855,573.70
  5. Step 5: Solve for x
    x = 38,855,573.70/7,133.62
  6. Step 6: Final answer
    x = 5,446.83

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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.