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Finding the Fourth Proportional to 8,692.91, 11,996.15 and 4,714.03

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Solution

The fourth proportional to 8,692.91, 11,996.15 and 4,714.03 is: 6,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.91 : 11,996.15 = 4,714.03 : x
  2. Step 2: Convert to fraction form
    8,692.91/11,996.15 = 4,714.03/x
  3. Step 3: Cross multiply
    8,692.91x = 11,996.15 × 4,714.03
  4. Step 4: Simplify right side
    8,692.91x = 56,550,210.98
  5. Step 5: Solve for x
    x = 56,550,210.98/8,692.91
  6. Step 6: Final answer
    x = 6,505.33

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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.