Home / 11,998.65-16,558.38-6,692.91

Finding the Fourth Proportional to 11,998.65, 16,558.38 and 6,692.91

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Solution

The fourth proportional to 11,998.65, 16,558.38 and 6,692.91 is: 9,236.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.65 : 16,558.38 = 6,692.91 : x
  2. Step 2: Convert to fraction form
    11,998.65/16,558.38 = 6,692.91/x
  3. Step 3: Cross multiply
    11,998.65x = 16,558.38 × 6,692.91
  4. Step 4: Simplify right side
    11,998.65x = 110,823,747.09
  5. Step 5: Solve for x
    x = 110,823,747.09/11,998.65
  6. Step 6: Final answer
    x = 9,236.35

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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.