Home / 12,037.68-18,056.88-3,272.78

Finding the Fourth Proportional to 12,037.68, 18,056.88 and 3,272.78

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Solution

The fourth proportional to 12,037.68, 18,056.88 and 3,272.78 is: 4,909.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,037.68 : 18,056.88 = 3,272.78 : x
  2. Step 2: Convert to fraction form
    12,037.68/18,056.88 = 3,272.78/x
  3. Step 3: Cross multiply
    12,037.68x = 18,056.88 × 3,272.78
  4. Step 4: Simplify right side
    12,037.68x = 59,096,195.73
  5. Step 5: Solve for x
    x = 59,096,195.73/12,037.68
  6. Step 6: Final answer
    x = 4,909.27

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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.