Home / 8,236.04-12,354.30-3,238.20

Finding the Fourth Proportional to 8,236.04, 12,354.30 and 3,238.20

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Solution

The fourth proportional to 8,236.04, 12,354.30 and 3,238.20 is: 4,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.04 : 12,354.30 = 3,238.20 : x
  2. Step 2: Convert to fraction form
    8,236.04/12,354.30 = 3,238.20/x
  3. Step 3: Cross multiply
    8,236.04x = 12,354.30 × 3,238.20
  4. Step 4: Simplify right side
    8,236.04x = 40,005,694.26
  5. Step 5: Solve for x
    x = 40,005,694.26/8,236.04
  6. Step 6: Final answer
    x = 4,857.40

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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.