Home / 11,306.55-16,961.36-4,731.20

Finding the Fourth Proportional to 11,306.55, 16,961.36 and 4,731.20

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Solution

The fourth proportional to 11,306.55, 16,961.36 and 4,731.20 is: 7,097.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.55 : 16,961.36 = 4,731.20 : x
  2. Step 2: Convert to fraction form
    11,306.55/16,961.36 = 4,731.20/x
  3. Step 3: Cross multiply
    11,306.55x = 16,961.36 × 4,731.20
  4. Step 4: Simplify right side
    11,306.55x = 80,247,477.97
  5. Step 5: Solve for x
    x = 80,247,477.97/11,306.55
  6. Step 6: Final answer
    x = 7,097.43

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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.