Home / 11,682.29-16,122.98-6,647.74

Finding the Fourth Proportional to 11,682.29, 16,122.98 and 6,647.74

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Solution

The fourth proportional to 11,682.29, 16,122.98 and 6,647.74 is: 9,174.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.29 : 16,122.98 = 6,647.74 : x
  2. Step 2: Convert to fraction form
    11,682.29/16,122.98 = 6,647.74/x
  3. Step 3: Cross multiply
    11,682.29x = 16,122.98 × 6,647.74
  4. Step 4: Simplify right side
    11,682.29x = 107,181,379.07
  5. Step 5: Solve for x
    x = 107,181,379.07/11,682.29
  6. Step 6: Final answer
    x = 9,174.69

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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.