Home / 11,728.83-16,185.47-6,692.96

Finding the Fourth Proportional to 11,728.83, 16,185.47 and 6,692.96

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Solution

The fourth proportional to 11,728.83, 16,185.47 and 6,692.96 is: 9,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.83 : 16,185.47 = 6,692.96 : x
  2. Step 2: Convert to fraction form
    11,728.83/16,185.47 = 6,692.96/x
  3. Step 3: Cross multiply
    11,728.83x = 16,185.47 × 6,692.96
  4. Step 4: Simplify right side
    11,728.83x = 108,328,703.29
  5. Step 5: Solve for x
    x = 108,328,703.29/11,728.83
  6. Step 6: Final answer
    x = 9,236.10

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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.