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Finding the Fourth Proportional to 8,267.63, 11,395.88 and 6,472.13

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Solution

The fourth proportional to 8,267.63, 11,395.88 and 6,472.13 is: 8,921.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.63 : 11,395.88 = 6,472.13 : x
  2. Step 2: Convert to fraction form
    8,267.63/11,395.88 = 6,472.13/x
  3. Step 3: Cross multiply
    8,267.63x = 11,395.88 × 6,472.13
  4. Step 4: Simplify right side
    8,267.63x = 73,755,616.82
  5. Step 5: Solve for x
    x = 73,755,616.82/8,267.63
  6. Step 6: Final answer
    x = 8,921.01

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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.