Home / 10,991.66-16,487.68-3,596.10

Finding the Fourth Proportional to 10,991.66, 16,487.68 and 3,596.10

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Solution

The fourth proportional to 10,991.66, 16,487.68 and 3,596.10 is: 5,394.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991.66 : 16,487.68 = 3,596.10 : x
  2. Step 2: Convert to fraction form
    10,991.66/16,487.68 = 3,596.10/x
  3. Step 3: Cross multiply
    10,991.66x = 16,487.68 × 3,596.10
  4. Step 4: Simplify right side
    10,991.66x = 59,291,346.05
  5. Step 5: Solve for x
    x = 59,291,346.05/10,991.66
  6. Step 6: Final answer
    x = 5,394.21

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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.