Home / 10,728.44-16,088.72-3,706.66

Finding the Fourth Proportional to 10,728.44, 16,088.72 and 3,706.66

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Solution

The fourth proportional to 10,728.44, 16,088.72 and 3,706.66 is: 5,558.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728.44 : 16,088.72 = 3,706.66 : x
  2. Step 2: Convert to fraction form
    10,728.44/16,088.72 = 3,706.66/x
  3. Step 3: Cross multiply
    10,728.44x = 16,088.72 × 3,706.66
  4. Step 4: Simplify right side
    10,728.44x = 59,635,315.90
  5. Step 5: Solve for x
    x = 59,635,315.90/10,728.44
  6. Step 6: Final answer
    x = 5,558.62

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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.