Home / 10,861.19-16,293.15-4,620.04

Finding the Fourth Proportional to 10,861.19, 16,293.15 and 4,620.04

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Solution

The fourth proportional to 10,861.19, 16,293.15 and 4,620.04 is: 6,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861.19 : 16,293.15 = 4,620.04 : x
  2. Step 2: Convert to fraction form
    10,861.19/16,293.15 = 4,620.04/x
  3. Step 3: Cross multiply
    10,861.19x = 16,293.15 × 4,620.04
  4. Step 4: Simplify right side
    10,861.19x = 75,274,963.99
  5. Step 5: Solve for x
    x = 75,274,963.99/10,861.19
  6. Step 6: Final answer
    x = 6,930.64

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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.