Home / 10,249.10-15,372.74-2,853.39

Finding the Fourth Proportional to 10,249.10, 15,372.74 and 2,853.39

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Solution

The fourth proportional to 10,249.10, 15,372.74 and 2,853.39 is: 4,279.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.10 : 15,372.74 = 2,853.39 : x
  2. Step 2: Convert to fraction form
    10,249.10/15,372.74 = 2,853.39/x
  3. Step 3: Cross multiply
    10,249.10x = 15,372.74 × 2,853.39
  4. Step 4: Simplify right side
    10,249.10x = 43,864,408.32
  5. Step 5: Solve for x
    x = 43,864,408.32/10,249.10
  6. Step 6: Final answer
    x = 4,279.83

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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.