Home / 11,699.24-16,144.39-6,394.06

Finding the Fourth Proportional to 11,699.24, 16,144.39 and 6,394.06

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Solution

The fourth proportional to 11,699.24, 16,144.39 and 6,394.06 is: 8,823.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.24 : 16,144.39 = 6,394.06 : x
  2. Step 2: Convert to fraction form
    11,699.24/16,144.39 = 6,394.06/x
  3. Step 3: Cross multiply
    11,699.24x = 16,144.39 × 6,394.06
  4. Step 4: Simplify right side
    11,699.24x = 103,228,198.32
  5. Step 5: Solve for x
    x = 103,228,198.32/11,699.24
  6. Step 6: Final answer
    x = 8,823.50

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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.