Home / 11,146.48-16,719.86-5,301.88

Finding the Fourth Proportional to 11,146.48, 16,719.86 and 5,301.88

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Solution

The fourth proportional to 11,146.48, 16,719.86 and 5,301.88 is: 7,952.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.48 : 16,719.86 = 5,301.88 : x
  2. Step 2: Convert to fraction form
    11,146.48/16,719.86 = 5,301.88/x
  3. Step 3: Cross multiply
    11,146.48x = 16,719.86 × 5,301.88
  4. Step 4: Simplify right side
    11,146.48x = 88,646,691.34
  5. Step 5: Solve for x
    x = 88,646,691.34/11,146.48
  6. Step 6: Final answer
    x = 7,952.89

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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.