Home / 11,329.22-16,991.09-4,753.64

Finding the Fourth Proportional to 11,329.22, 16,991.09 and 4,753.64

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Solution

The fourth proportional to 11,329.22, 16,991.09 and 4,753.64 is: 7,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.22 : 16,991.09 = 4,753.64 : x
  2. Step 2: Convert to fraction form
    11,329.22/16,991.09 = 4,753.64/x
  3. Step 3: Cross multiply
    11,329.22x = 16,991.09 × 4,753.64
  4. Step 4: Simplify right side
    11,329.22x = 80,769,416.34
  5. Step 5: Solve for x
    x = 80,769,416.34/11,329.22
  6. Step 6: Final answer
    x = 7,129.30

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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.