Home / 11,185.83-15,436.46-6,150.38

Finding the Fourth Proportional to 11,185.83, 15,436.46 and 6,150.38

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Solution

The fourth proportional to 11,185.83, 15,436.46 and 6,150.38 is: 8,487.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.83 : 15,436.46 = 6,150.38 : x
  2. Step 2: Convert to fraction form
    11,185.83/15,436.46 = 6,150.38/x
  3. Step 3: Cross multiply
    11,185.83x = 15,436.46 × 6,150.38
  4. Step 4: Simplify right side
    11,185.83x = 94,939,986.92
  5. Step 5: Solve for x
    x = 94,939,986.92/11,185.83
  6. Step 6: Final answer
    x = 8,487.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.