Home / 11,997.40-16,556.44-6,692.56

Finding the Fourth Proportional to 11,997.40, 16,556.44 and 6,692.56

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Solution

The fourth proportional to 11,997.40, 16,556.44 and 6,692.56 is: 9,235.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,997.40 : 16,556.44 = 6,692.56 : x
  2. Step 2: Convert to fraction form
    11,997.40/16,556.44 = 6,692.56/x
  3. Step 3: Cross multiply
    11,997.40x = 16,556.44 × 6,692.56
  4. Step 4: Simplify right side
    11,997.40x = 110,804,968.09
  5. Step 5: Solve for x
    x = 110,804,968.09/11,997.40
  6. Step 6: Final answer
    x = 9,235.75

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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.