Home / 10,410.59-15,616.82-3,388.78

Finding the Fourth Proportional to 10,410.59, 15,616.82 and 3,388.78

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Solution

The fourth proportional to 10,410.59, 15,616.82 and 3,388.78 is: 5,083.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,410.59 : 15,616.82 = 3,388.78 : x
  2. Step 2: Convert to fraction form
    10,410.59/15,616.82 = 3,388.78/x
  3. Step 3: Cross multiply
    10,410.59x = 15,616.82 × 3,388.78
  4. Step 4: Simplify right side
    10,410.59x = 52,921,967.28
  5. Step 5: Solve for x
    x = 52,921,967.28/10,410.59
  6. Step 6: Final answer
    x = 5,083.48

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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.