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Finding the Fourth Proportional to 11,792.65, 16,269.81 and 7,314.79

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Solution

The fourth proportional to 11,792.65, 16,269.81 and 7,314.79 is: 10,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,792.65 : 16,269.81 = 7,314.79 : x
  2. Step 2: Convert to fraction form
    11,792.65/16,269.81 = 7,314.79/x
  3. Step 3: Cross multiply
    11,792.65x = 16,269.81 × 7,314.79
  4. Step 4: Simplify right side
    11,792.65x = 119,010,243.49
  5. Step 5: Solve for x
    x = 119,010,243.49/11,792.65
  6. Step 6: Final answer
    x = 10,091.90

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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.