Home / 11,692.59-16,149.23-8,520.07

Finding the Fourth Proportional to 11,692.59, 16,149.23 and 8,520.07

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Solution

The fourth proportional to 11,692.59, 16,149.23 and 8,520.07 is: 11,767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,692.59 : 16,149.23 = 8,520.07 : x
  2. Step 2: Convert to fraction form
    11,692.59/16,149.23 = 8,520.07/x
  3. Step 3: Cross multiply
    11,692.59x = 16,149.23 × 8,520.07
  4. Step 4: Simplify right side
    11,692.59x = 137,592,623.42
  5. Step 5: Solve for x
    x = 137,592,623.42/11,692.59
  6. Step 6: Final answer
    x = 11,767.51

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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.