Home / 11,669.45-17,469.07-10,670.99

Finding the Fourth Proportional to 11,669.45, 17,469.07 and 10,670.99

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Solution

The fourth proportional to 11,669.45, 17,469.07 and 10,670.99 is: 15,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669.45 : 17,469.07 = 10,670.99 : x
  2. Step 2: Convert to fraction form
    11,669.45/17,469.07 = 10,670.99/x
  3. Step 3: Cross multiply
    11,669.45x = 17,469.07 × 10,670.99
  4. Step 4: Simplify right side
    11,669.45x = 186,412,157.26
  5. Step 5: Solve for x
    x = 186,412,157.26/11,669.45
  6. Step 6: Final answer
    x = 15,974.38

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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.