Home / 11,836.40-16,333.84-6,531.22

Finding the Fourth Proportional to 11,836.40, 16,333.84 and 6,531.22

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Solution

The fourth proportional to 11,836.40, 16,333.84 and 6,531.22 is: 9,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,836.40 : 16,333.84 = 6,531.22 : x
  2. Step 2: Convert to fraction form
    11,836.40/16,333.84 = 6,531.22/x
  3. Step 3: Cross multiply
    11,836.40x = 16,333.84 × 6,531.22
  4. Step 4: Simplify right side
    11,836.40x = 106,679,902.48
  5. Step 5: Solve for x
    x = 106,679,902.48/11,836.40
  6. Step 6: Final answer
    x = 9,012.87

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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.