Home / 10,066.78-15,105.19-4,524.09

Finding the Fourth Proportional to 10,066.78, 15,105.19 and 4,524.09

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Solution

The fourth proportional to 10,066.78, 15,105.19 and 4,524.09 is: 6,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,066.78 : 15,105.19 = 4,524.09 : x
  2. Step 2: Convert to fraction form
    10,066.78/15,105.19 = 4,524.09/x
  3. Step 3: Cross multiply
    10,066.78x = 15,105.19 × 4,524.09
  4. Step 4: Simplify right side
    10,066.78x = 68,337,239.03
  5. Step 5: Solve for x
    x = 68,337,239.03/10,066.78
  6. Step 6: Final answer
    x = 6,788.39

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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.