Home / 11,699.18-16,144.91-6,394.00

Finding the Fourth Proportional to 11,699.18, 16,144.91 and 6,394.00

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Solution

The fourth proportional to 11,699.18, 16,144.91 and 6,394.00 is: 8,823.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.18 : 16,144.91 = 6,394.00 : x
  2. Step 2: Convert to fraction form
    11,699.18/16,144.91 = 6,394.00/x
  3. Step 3: Cross multiply
    11,699.18x = 16,144.91 × 6,394.00
  4. Step 4: Simplify right side
    11,699.18x = 103,230,473.82
  5. Step 5: Solve for x
    x = 103,230,473.82/11,699.18
  6. Step 6: Final answer
    x = 8,823.74

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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.