Home / 11,297.60-16,952.88-6,109.28

Finding the Fourth Proportional to 11,297.60, 16,952.88 and 6,109.28

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Solution

The fourth proportional to 11,297.60, 16,952.88 and 6,109.28 is: 9,167.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.60 : 16,952.88 = 6,109.28 : x
  2. Step 2: Convert to fraction form
    11,297.60/16,952.88 = 6,109.28/x
  3. Step 3: Cross multiply
    11,297.60x = 16,952.88 × 6,109.28
  4. Step 4: Simplify right side
    11,297.60x = 103,569,890.73
  5. Step 5: Solve for x
    x = 103,569,890.73/11,297.60
  6. Step 6: Final answer
    x = 9,167.42

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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.