Home / 11,145.75-16,696.95-6,200.39

Finding the Fourth Proportional to 11,145.75, 16,696.95 and 6,200.39

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Solution

The fourth proportional to 11,145.75, 16,696.95 and 6,200.39 is: 9,288.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.75 : 16,696.95 = 6,200.39 : x
  2. Step 2: Convert to fraction form
    11,145.75/16,696.95 = 6,200.39/x
  3. Step 3: Cross multiply
    11,145.75x = 16,696.95 × 6,200.39
  4. Step 4: Simplify right side
    11,145.75x = 103,527,601.81
  5. Step 5: Solve for x
    x = 103,527,601.81/11,145.75
  6. Step 6: Final answer
    x = 9,288.53

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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.