Home / 11,660.10-16,090.30-6,692.10

Finding the Fourth Proportional to 11,660.10, 16,090.30 and 6,692.10

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Solution

The fourth proportional to 11,660.10, 16,090.30 and 6,692.10 is: 9,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.10 : 16,090.30 = 6,692.10 : x
  2. Step 2: Convert to fraction form
    11,660.10/16,090.30 = 6,692.10/x
  3. Step 3: Cross multiply
    11,660.10x = 16,090.30 × 6,692.10
  4. Step 4: Simplify right side
    11,660.10x = 107,677,896.63
  5. Step 5: Solve for x
    x = 107,677,896.63/11,660.10
  6. Step 6: Final answer
    x = 9,234.73

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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.