Home / 10,236.20-15,354.48-3,216.08

Finding the Fourth Proportional to 10,236.20, 15,354.48 and 3,216.08

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Solution

The fourth proportional to 10,236.20, 15,354.48 and 3,216.08 is: 4,824.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.20 : 15,354.48 = 3,216.08 : x
  2. Step 2: Convert to fraction form
    10,236.20/15,354.48 = 3,216.08/x
  3. Step 3: Cross multiply
    10,236.20x = 15,354.48 × 3,216.08
  4. Step 4: Simplify right side
    10,236.20x = 49,381,228.91
  5. Step 5: Solve for x
    x = 49,381,228.91/10,236.20
  6. Step 6: Final answer
    x = 4,824.18

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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.