Home / 10,270.57-15,372.99-5,333.44

Finding the Fourth Proportional to 10,270.57, 15,372.99 and 5,333.44

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Solution

The fourth proportional to 10,270.57, 15,372.99 and 5,333.44 is: 7,983.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,270.57 : 15,372.99 = 5,333.44 : x
  2. Step 2: Convert to fraction form
    10,270.57/15,372.99 = 5,333.44/x
  3. Step 3: Cross multiply
    10,270.57x = 15,372.99 × 5,333.44
  4. Step 4: Simplify right side
    10,270.57x = 81,990,919.79
  5. Step 5: Solve for x
    x = 81,990,919.79/10,270.57
  6. Step 6: Final answer
    x = 7,983.09

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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.