Home / 8,036.73-12,056.96-2,489.78

Finding the Fourth Proportional to 8,036.73, 12,056.96 and 2,489.78

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Solution

The fourth proportional to 8,036.73, 12,056.96 and 2,489.78 is: 3,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,036.73 : 12,056.96 = 2,489.78 : x
  2. Step 2: Convert to fraction form
    8,036.73/12,056.96 = 2,489.78/x
  3. Step 3: Cross multiply
    8,036.73x = 12,056.96 × 2,489.78
  4. Step 4: Simplify right side
    8,036.73x = 30,019,214.24
  5. Step 5: Solve for x
    x = 30,019,214.24/8,036.73
  6. Step 6: Final answer
    x = 3,735.25

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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.