Home / 11,647.88-16,073.91-6,342.69

Finding the Fourth Proportional to 11,647.88, 16,073.91 and 6,342.69

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Solution

The fourth proportional to 11,647.88, 16,073.91 and 6,342.69 is: 8,752.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.88 : 16,073.91 = 6,342.69 : x
  2. Step 2: Convert to fraction form
    11,647.88/16,073.91 = 6,342.69/x
  3. Step 3: Cross multiply
    11,647.88x = 16,073.91 × 6,342.69
  4. Step 4: Simplify right side
    11,647.88x = 101,951,828.22
  5. Step 5: Solve for x
    x = 101,951,828.22/11,647.88
  6. Step 6: Final answer
    x = 8,752.83

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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.