Home / 7,122.62-10,685.94-2,443.24

Finding the Fourth Proportional to 7,122.62, 10,685.94 and 2,443.24

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Solution

The fourth proportional to 7,122.62, 10,685.94 and 2,443.24 is: 3,665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122.62 : 10,685.94 = 2,443.24 : x
  2. Step 2: Convert to fraction form
    7,122.62/10,685.94 = 2,443.24/x
  3. Step 3: Cross multiply
    7,122.62x = 10,685.94 × 2,443.24
  4. Step 4: Simplify right side
    7,122.62x = 26,108,316.05
  5. Step 5: Solve for x
    x = 26,108,316.05/7,122.62
  6. Step 6: Final answer
    x = 3,665.55

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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.