Home / 8,187.16-12,272.28-3,801.04

Finding the Fourth Proportional to 8,187.16, 12,272.28 and 3,801.04

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Solution

The fourth proportional to 8,187.16, 12,272.28 and 3,801.04 is: 5,697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.16 : 12,272.28 = 3,801.04 : x
  2. Step 2: Convert to fraction form
    8,187.16/12,272.28 = 3,801.04/x
  3. Step 3: Cross multiply
    8,187.16x = 12,272.28 × 3,801.04
  4. Step 4: Simplify right side
    8,187.16x = 46,647,427.17
  5. Step 5: Solve for x
    x = 46,647,427.17/8,187.16
  6. Step 6: Final answer
    x = 5,697.63

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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.