Home / 11,782.09-16,255.78-10,659.43

Finding the Fourth Proportional to 11,782.09, 16,255.78 and 10,659.43

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Solution

The fourth proportional to 11,782.09, 16,255.78 and 10,659.43 is: 14,706.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,782.09 : 16,255.78 = 10,659.43 : x
  2. Step 2: Convert to fraction form
    11,782.09/16,255.78 = 10,659.43/x
  3. Step 3: Cross multiply
    11,782.09x = 16,255.78 × 10,659.43
  4. Step 4: Simplify right side
    11,782.09x = 173,277,349.01
  5. Step 5: Solve for x
    x = 173,277,349.01/11,782.09
  6. Step 6: Final answer
    x = 14,706.84

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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.