Home / 8,032.28-12,046.56-2,187.72

Finding the Fourth Proportional to 8,032.28, 12,046.56 and 2,187.72

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Solution

The fourth proportional to 8,032.28, 12,046.56 and 2,187.72 is: 3,281.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,032.28 : 12,046.56 = 2,187.72 : x
  2. Step 2: Convert to fraction form
    8,032.28/12,046.56 = 2,187.72/x
  3. Step 3: Cross multiply
    8,032.28x = 12,046.56 × 2,187.72
  4. Step 4: Simplify right side
    8,032.28x = 26,354,500.24
  5. Step 5: Solve for x
    x = 26,354,500.24/8,032.28
  6. Step 6: Final answer
    x = 3,281.07

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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.