Home / 11,270.55-16,905.42-3,479.36

Finding the Fourth Proportional to 11,270.55, 16,905.42 and 3,479.36

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Solution

The fourth proportional to 11,270.55, 16,905.42 and 3,479.36 is: 5,218.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.55 : 16,905.42 = 3,479.36 : x
  2. Step 2: Convert to fraction form
    11,270.55/16,905.42 = 3,479.36/x
  3. Step 3: Cross multiply
    11,270.55x = 16,905.42 × 3,479.36
  4. Step 4: Simplify right side
    11,270.55x = 58,820,084.39
  5. Step 5: Solve for x
    x = 58,820,084.39/11,270.55
  6. Step 6: Final answer
    x = 5,218.92

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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.