Home / 11,937.24-16,480.26-7,971.48

Finding the Fourth Proportional to 11,937.24, 16,480.26 and 7,971.48

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Solution

The fourth proportional to 11,937.24, 16,480.26 and 7,971.48 is: 11,005.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.24 : 16,480.26 = 7,971.48 : x
  2. Step 2: Convert to fraction form
    11,937.24/16,480.26 = 7,971.48/x
  3. Step 3: Cross multiply
    11,937.24x = 16,480.26 × 7,971.48
  4. Step 4: Simplify right side
    11,937.24x = 131,372,062.98
  5. Step 5: Solve for x
    x = 131,372,062.98/11,937.24
  6. Step 6: Final answer
    x = 11,005.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.