Home / 11,103.40-16,656.70-3,708.20

Finding the Fourth Proportional to 11,103.40, 16,656.70 and 3,708.20

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Solution

The fourth proportional to 11,103.40, 16,656.70 and 3,708.20 is: 5,562.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.40 : 16,656.70 = 3,708.20 : x
  2. Step 2: Convert to fraction form
    11,103.40/16,656.70 = 3,708.20/x
  3. Step 3: Cross multiply
    11,103.40x = 16,656.70 × 3,708.20
  4. Step 4: Simplify right side
    11,103.40x = 61,766,374.94
  5. Step 5: Solve for x
    x = 61,766,374.94/11,103.40
  6. Step 6: Final answer
    x = 5,562.83

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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.