Home / 10,133.72-15,200.30-3,208.04

Finding the Fourth Proportional to 10,133.72, 15,200.30 and 3,208.04

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Solution

The fourth proportional to 10,133.72, 15,200.30 and 3,208.04 is: 4,811.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.72 : 15,200.30 = 3,208.04 : x
  2. Step 2: Convert to fraction form
    10,133.72/15,200.30 = 3,208.04/x
  3. Step 3: Cross multiply
    10,133.72x = 15,200.30 × 3,208.04
  4. Step 4: Simplify right side
    10,133.72x = 48,763,170.41
  5. Step 5: Solve for x
    x = 48,763,170.41/10,133.72
  6. Step 6: Final answer
    x = 4,811.97

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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.