Home / 10,790.52-16,176.26-4,212.11

Finding the Fourth Proportional to 10,790.52, 16,176.26 and 4,212.11

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Solution

The fourth proportional to 10,790.52, 16,176.26 and 4,212.11 is: 6,314.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.52 : 16,176.26 = 4,212.11 : x
  2. Step 2: Convert to fraction form
    10,790.52/16,176.26 = 4,212.11/x
  3. Step 3: Cross multiply
    10,790.52x = 16,176.26 × 4,212.11
  4. Step 4: Simplify right side
    10,790.52x = 68,136,084.57
  5. Step 5: Solve for x
    x = 68,136,084.57/10,790.52
  6. Step 6: Final answer
    x = 6,314.44

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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.