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Finding the Fourth Proportional to 8,227.66, 11,352.12 and 4,869.07

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Solution

The fourth proportional to 8,227.66, 11,352.12 and 4,869.07 is: 6,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.66 : 11,352.12 = 4,869.07 : x
  2. Step 2: Convert to fraction form
    8,227.66/11,352.12 = 4,869.07/x
  3. Step 3: Cross multiply
    8,227.66x = 11,352.12 × 4,869.07
  4. Step 4: Simplify right side
    8,227.66x = 55,274,266.93
  5. Step 5: Solve for x
    x = 55,274,266.93/8,227.66
  6. Step 6: Final answer
    x = 6,718.10

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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.