Home / 11,780.44-16,256.09-6,743.45

Finding the Fourth Proportional to 11,780.44, 16,256.09 and 6,743.45

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Solution

The fourth proportional to 11,780.44, 16,256.09 and 6,743.45 is: 9,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.44 : 16,256.09 = 6,743.45 : x
  2. Step 2: Convert to fraction form
    11,780.44/16,256.09 = 6,743.45/x
  3. Step 3: Cross multiply
    11,780.44x = 16,256.09 × 6,743.45
  4. Step 4: Simplify right side
    11,780.44x = 109,622,187.61
  5. Step 5: Solve for x
    x = 109,622,187.61/11,780.44
  6. Step 6: Final answer
    x = 9,305.44

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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.