Home / 11,419.76-17,090.68-9,572.96

Finding the Fourth Proportional to 11,419.76, 17,090.68 and 9,572.96

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Solution

The fourth proportional to 11,419.76, 17,090.68 and 9,572.96 is: 14,326.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.76 : 17,090.68 = 9,572.96 : x
  2. Step 2: Convert to fraction form
    11,419.76/17,090.68 = 9,572.96/x
  3. Step 3: Cross multiply
    11,419.76x = 17,090.68 × 9,572.96
  4. Step 4: Simplify right side
    11,419.76x = 163,608,396.01
  5. Step 5: Solve for x
    x = 163,608,396.01/11,419.76
  6. Step 6: Final answer
    x = 14,326.78

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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.