Home / 11,670.60-16,100.46-8,519.88

Finding the Fourth Proportional to 11,670.60, 16,100.46 and 8,519.88

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Solution

The fourth proportional to 11,670.60, 16,100.46 and 8,519.88 is: 11,753.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.60 : 16,100.46 = 8,519.88 : x
  2. Step 2: Convert to fraction form
    11,670.60/16,100.46 = 8,519.88/x
  3. Step 3: Cross multiply
    11,670.60x = 16,100.46 × 8,519.88
  4. Step 4: Simplify right side
    11,670.60x = 137,173,987.14
  5. Step 5: Solve for x
    x = 137,173,987.14/11,670.60
  6. Step 6: Final answer
    x = 11,753.81

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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.