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Finding the Fourth Proportional to 8,472.36, 11,692.95 and 6,047.87

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Solution

The fourth proportional to 8,472.36, 11,692.95 and 6,047.87 is: 8,346.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,472.36 : 11,692.95 = 6,047.87 : x
  2. Step 2: Convert to fraction form
    8,472.36/11,692.95 = 6,047.87/x
  3. Step 3: Cross multiply
    8,472.36x = 11,692.95 × 6,047.87
  4. Step 4: Simplify right side
    8,472.36x = 70,717,383.05
  5. Step 5: Solve for x
    x = 70,717,383.05/8,472.36
  6. Step 6: Final answer
    x = 8,346.83

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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.