Home / 11,997.61-16,556.68-6,692.11

Finding the Fourth Proportional to 11,997.61, 16,556.68 and 6,692.11

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Solution

The fourth proportional to 11,997.61, 16,556.68 and 6,692.11 is: 9,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,997.61 : 16,556.68 = 6,692.11 : x
  2. Step 2: Convert to fraction form
    11,997.61/16,556.68 = 6,692.11/x
  3. Step 3: Cross multiply
    11,997.61x = 16,556.68 × 6,692.11
  4. Step 4: Simplify right side
    11,997.61x = 110,799,123.79
  5. Step 5: Solve for x
    x = 110,799,123.79/11,997.61
  6. Step 6: Final answer
    x = 9,235.10

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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.