Home / 10,836.60-16,233.30-5,645.40

Finding the Fourth Proportional to 10,836.60, 16,233.30 and 5,645.40

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Solution

The fourth proportional to 10,836.60, 16,233.30 and 5,645.40 is: 8,456.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836.60 : 16,233.30 = 5,645.40 : x
  2. Step 2: Convert to fraction form
    10,836.60/16,233.30 = 5,645.40/x
  3. Step 3: Cross multiply
    10,836.60x = 16,233.30 × 5,645.40
  4. Step 4: Simplify right side
    10,836.60x = 91,643,471.82
  5. Step 5: Solve for x
    x = 91,643,471.82/10,836.60
  6. Step 6: Final answer
    x = 8,456.85

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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.