Home / 11,169.72-16,750.08-4,845

Finding the Fourth Proportional to 11,169.72, 16,750.08 and 4,845

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Solution

The fourth proportional to 11,169.72, 16,750.08 and 4,845 is: 7,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169.72 : 16,750.08 = 4,845 : x
  2. Step 2: Convert to fraction form
    11,169.72/16,750.08 = 4,845/x
  3. Step 3: Cross multiply
    11,169.72x = 16,750.08 × 4,845
  4. Step 4: Simplify right side
    11,169.72x = 81,154,137.60
  5. Step 5: Solve for x
    x = 81,154,137.60/11,169.72
  6. Step 6: Final answer
    x = 7,265.55

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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.