Home / 11,706.06-16,121.85-11,670.42

Finding the Fourth Proportional to 11,706.06, 16,121.85 and 11,670.42

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Solution

The fourth proportional to 11,706.06, 16,121.85 and 11,670.42 is: 16,072.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,706.06 : 16,121.85 = 11,670.42 : x
  2. Step 2: Convert to fraction form
    11,706.06/16,121.85 = 11,670.42/x
  3. Step 3: Cross multiply
    11,706.06x = 16,121.85 × 11,670.42
  4. Step 4: Simplify right side
    11,706.06x = 188,148,760.68
  5. Step 5: Solve for x
    x = 188,148,760.68/11,706.06
  6. Step 6: Final answer
    x = 16,072.77

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1.5x scale

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.