Home / 11,416.06-17,101.54-8,939.35

Finding the Fourth Proportional to 11,416.06, 17,101.54 and 8,939.35

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Solution

The fourth proportional to 11,416.06, 17,101.54 and 8,939.35 is: 13,391.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416.06 : 17,101.54 = 8,939.35 : x
  2. Step 2: Convert to fraction form
    11,416.06/17,101.54 = 8,939.35/x
  3. Step 3: Cross multiply
    11,416.06x = 17,101.54 × 8,939.35
  4. Step 4: Simplify right side
    11,416.06x = 152,876,651.60
  5. Step 5: Solve for x
    x = 152,876,651.60/11,416.06
  6. Step 6: Final answer
    x = 13,391.37

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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.