Home / 11,847.69-16,349.82-6,542.55

Finding the Fourth Proportional to 11,847.69, 16,349.82 and 6,542.55

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Solution

The fourth proportional to 11,847.69, 16,349.82 and 6,542.55 is: 9,028.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,847.69 : 16,349.82 = 6,542.55 : x
  2. Step 2: Convert to fraction form
    11,847.69/16,349.82 = 6,542.55/x
  3. Step 3: Cross multiply
    11,847.69x = 16,349.82 × 6,542.55
  4. Step 4: Simplify right side
    11,847.69x = 106,969,514.84
  5. Step 5: Solve for x
    x = 106,969,514.84/11,847.69
  6. Step 6: Final answer
    x = 9,028.72

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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.