Home / 11,668.60-17,505.51-4,272.91

Finding the Fourth Proportional to 11,668.60, 17,505.51 and 4,272.91

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Solution

The fourth proportional to 11,668.60, 17,505.51 and 4,272.91 is: 6,410.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,668.60 : 17,505.51 = 4,272.91 : x
  2. Step 2: Convert to fraction form
    11,668.60/17,505.51 = 4,272.91/x
  3. Step 3: Cross multiply
    11,668.60x = 17,505.51 × 4,272.91
  4. Step 4: Simplify right side
    11,668.60x = 74,799,468.73
  5. Step 5: Solve for x
    x = 74,799,468.73/11,668.60
  6. Step 6: Final answer
    x = 6,410.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.