Home / 8,877.28-12,249.44-5,100.16

Finding the Fourth Proportional to 8,877.28, 12,249.44 and 5,100.16

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Solution

The fourth proportional to 8,877.28, 12,249.44 and 5,100.16 is: 7,037.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.28 : 12,249.44 = 5,100.16 : x
  2. Step 2: Convert to fraction form
    8,877.28/12,249.44 = 5,100.16/x
  3. Step 3: Cross multiply
    8,877.28x = 12,249.44 × 5,100.16
  4. Step 4: Simplify right side
    8,877.28x = 62,474,103.91
  5. Step 5: Solve for x
    x = 62,474,103.91/8,877.28
  6. Step 6: Final answer
    x = 7,037.53

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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.