Home / 9,905.45-13,673.09-6,759.41

Finding the Fourth Proportional to 9,905.45, 13,673.09 and 6,759.41

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Solution

The fourth proportional to 9,905.45, 13,673.09 and 6,759.41 is: 9,330.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.45 : 13,673.09 = 6,759.41 : x
  2. Step 2: Convert to fraction form
    9,905.45/13,673.09 = 6,759.41/x
  3. Step 3: Cross multiply
    9,905.45x = 13,673.09 × 6,759.41
  4. Step 4: Simplify right side
    9,905.45x = 92,422,021.28
  5. Step 5: Solve for x
    x = 92,422,021.28/9,905.45
  6. Step 6: Final answer
    x = 9,330.42

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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.