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Finding the Fourth Proportional to 7,954.67, 11,873.86 and 7,376.47

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Solution

The fourth proportional to 7,954.67, 11,873.86 and 7,376.47 is: 11,010.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.67 : 11,873.86 = 7,376.47 : x
  2. Step 2: Convert to fraction form
    7,954.67/11,873.86 = 7,376.47/x
  3. Step 3: Cross multiply
    7,954.67x = 11,873.86 × 7,376.47
  4. Step 4: Simplify right side
    7,954.67x = 87,587,123.95
  5. Step 5: Solve for x
    x = 87,587,123.95/7,954.67
  6. Step 6: Final answer
    x = 11,010.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.