Home / 8,876.28-12,249.12-5,099.44

Finding the Fourth Proportional to 8,876.28, 12,249.12 and 5,099.44

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Solution

The fourth proportional to 8,876.28, 12,249.12 and 5,099.44 is: 7,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.28 : 12,249.12 = 5,099.44 : x
  2. Step 2: Convert to fraction form
    8,876.28/12,249.12 = 5,099.44/x
  3. Step 3: Cross multiply
    8,876.28x = 12,249.12 × 5,099.44
  4. Step 4: Simplify right side
    8,876.28x = 62,463,652.49
  5. Step 5: Solve for x
    x = 62,463,652.49/8,876.28
  6. Step 6: Final answer
    x = 7,037.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.