Home / 10,788.33-16,179.29-4,861.80

Finding the Fourth Proportional to 10,788.33, 16,179.29 and 4,861.80

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Solution

The fourth proportional to 10,788.33, 16,179.29 and 4,861.80 is: 7,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788.33 : 16,179.29 = 4,861.80 : x
  2. Step 2: Convert to fraction form
    10,788.33/16,179.29 = 4,861.80/x
  3. Step 3: Cross multiply
    10,788.33x = 16,179.29 × 4,861.80
  4. Step 4: Simplify right side
    10,788.33x = 78,660,366.92
  5. Step 5: Solve for x
    x = 78,660,366.92/10,788.33
  6. Step 6: Final answer
    x = 7,291.25

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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.