Home / 11,029.87-16,529.01-8,553.09

Finding the Fourth Proportional to 11,029.87, 16,529.01 and 8,553.09

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Solution

The fourth proportional to 11,029.87, 16,529.01 and 8,553.09 is: 12,817.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.87 : 16,529.01 = 8,553.09 : x
  2. Step 2: Convert to fraction form
    11,029.87/16,529.01 = 8,553.09/x
  3. Step 3: Cross multiply
    11,029.87x = 16,529.01 × 8,553.09
  4. Step 4: Simplify right side
    11,029.87x = 141,374,188.16
  5. Step 5: Solve for x
    x = 141,374,188.16/11,029.87
  6. Step 6: Final answer
    x = 12,817.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.