Home / 8,531.23-12,799.39-6,164.66

Finding the Fourth Proportional to 8,531.23, 12,799.39 and 6,164.66

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Solution

The fourth proportional to 8,531.23, 12,799.39 and 6,164.66 is: 9,248.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.23 : 12,799.39 = 6,164.66 : x
  2. Step 2: Convert to fraction form
    8,531.23/12,799.39 = 6,164.66/x
  3. Step 3: Cross multiply
    8,531.23x = 12,799.39 × 6,164.66
  4. Step 4: Simplify right side
    8,531.23x = 78,903,824.74
  5. Step 5: Solve for x
    x = 78,903,824.74/8,531.23
  6. Step 6: Final answer
    x = 9,248.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.