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Finding the Fourth Proportional to 8,665.04, 11,943.65 and 6,773.28

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Solution

The fourth proportional to 8,665.04, 11,943.65 and 6,773.28 is: 9,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665.04 : 11,943.65 = 6,773.28 : x
  2. Step 2: Convert to fraction form
    8,665.04/11,943.65 = 6,773.28/x
  3. Step 3: Cross multiply
    8,665.04x = 11,943.65 × 6,773.28
  4. Step 4: Simplify right side
    8,665.04x = 80,897,651.81
  5. Step 5: Solve for x
    x = 80,897,651.81/8,665.04
  6. Step 6: Final answer
    x = 9,336.10

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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.