Home / 11,334.05-16,986.64-6,406.43

Finding the Fourth Proportional to 11,334.05, 16,986.64 and 6,406.43

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Solution

The fourth proportional to 11,334.05, 16,986.64 and 6,406.43 is: 9,601.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,334.05 : 16,986.64 = 6,406.43 : x
  2. Step 2: Convert to fraction form
    11,334.05/16,986.64 = 6,406.43/x
  3. Step 3: Cross multiply
    11,334.05x = 16,986.64 × 6,406.43
  4. Step 4: Simplify right side
    11,334.05x = 108,823,720.10
  5. Step 5: Solve for x
    x = 108,823,720.10/11,334.05
  6. Step 6: Final answer
    x = 9,601.49

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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.