Home / 11,185.53-16,780.32-4,608.06

Finding the Fourth Proportional to 11,185.53, 16,780.32 and 4,608.06

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Solution

The fourth proportional to 11,185.53, 16,780.32 and 4,608.06 is: 6,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.53 : 16,780.32 = 4,608.06 : x
  2. Step 2: Convert to fraction form
    11,185.53/16,780.32 = 4,608.06/x
  3. Step 3: Cross multiply
    11,185.53x = 16,780.32 × 4,608.06
  4. Step 4: Simplify right side
    11,185.53x = 77,324,721.38
  5. Step 5: Solve for x
    x = 77,324,721.38/11,185.53
  6. Step 6: Final answer
    x = 6,912.92

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1.5x scale

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.