Home / 10,971.88-16,453.92-3,179.08

Finding the Fourth Proportional to 10,971.88, 16,453.92 and 3,179.08

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Solution

The fourth proportional to 10,971.88, 16,453.92 and 3,179.08 is: 4,767.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971.88 : 16,453.92 = 3,179.08 : x
  2. Step 2: Convert to fraction form
    10,971.88/16,453.92 = 3,179.08/x
  3. Step 3: Cross multiply
    10,971.88x = 16,453.92 × 3,179.08
  4. Step 4: Simplify right side
    10,971.88x = 52,308,327.99
  5. Step 5: Solve for x
    x = 52,308,327.99/10,971.88
  6. Step 6: Final answer
    x = 4,767.49

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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.