Home / 11,987.35-16,542.63-6,682.24

Finding the Fourth Proportional to 11,987.35, 16,542.63 and 6,682.24

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Solution

The fourth proportional to 11,987.35, 16,542.63 and 6,682.24 is: 9,221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,987.35 : 16,542.63 = 6,682.24 : x
  2. Step 2: Convert to fraction form
    11,987.35/16,542.63 = 6,682.24/x
  3. Step 3: Cross multiply
    11,987.35x = 16,542.63 × 6,682.24
  4. Step 4: Simplify right side
    11,987.35x = 110,541,823.89
  5. Step 5: Solve for x
    x = 110,541,823.89/11,987.35
  6. Step 6: Final answer
    x = 9,221.54

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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.