Home / 11,836.75-16,334.70-6,531.57

Finding the Fourth Proportional to 11,836.75, 16,334.70 and 6,531.57

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Solution

The fourth proportional to 11,836.75, 16,334.70 and 6,531.57 is: 9,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,836.75 : 16,334.70 = 6,531.57 : x
  2. Step 2: Convert to fraction form
    11,836.75/16,334.70 = 6,531.57/x
  3. Step 3: Cross multiply
    11,836.75x = 16,334.70 × 6,531.57
  4. Step 4: Simplify right side
    11,836.75x = 106,691,138.48
  5. Step 5: Solve for x
    x = 106,691,138.48/11,836.75
  6. Step 6: Final answer
    x = 9,013.55

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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.