Home / 11,232.40-16,849.40-3,441.20

Finding the Fourth Proportional to 11,232.40, 16,849.40 and 3,441.20

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Solution

The fourth proportional to 11,232.40, 16,849.40 and 3,441.20 is: 5,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.40 : 16,849.40 = 3,441.20 : x
  2. Step 2: Convert to fraction form
    11,232.40/16,849.40 = 3,441.20/x
  3. Step 3: Cross multiply
    11,232.40x = 16,849.40 × 3,441.20
  4. Step 4: Simplify right side
    11,232.40x = 57,982,155.28
  5. Step 5: Solve for x
    x = 57,982,155.28/11,232.40
  6. Step 6: Final answer
    x = 5,162.05

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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.