Home / 11,222.32-16,832.82-3,430.52

Finding the Fourth Proportional to 11,222.32, 16,832.82 and 3,430.52

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Solution

The fourth proportional to 11,222.32, 16,832.82 and 3,430.52 is: 5,145.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.32 : 16,832.82 = 3,430.52 : x
  2. Step 2: Convert to fraction form
    11,222.32/16,832.82 = 3,430.52/x
  3. Step 3: Cross multiply
    11,222.32x = 16,832.82 × 3,430.52
  4. Step 4: Simplify right side
    11,222.32x = 57,745,325.67
  5. Step 5: Solve for x
    x = 57,745,325.67/11,222.32
  6. Step 6: Final answer
    x = 5,145.58

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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.