Home / 11,051.20-15,249.28-7,473.96

Finding the Fourth Proportional to 11,051.20, 15,249.28 and 7,473.96

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Solution

The fourth proportional to 11,051.20, 15,249.28 and 7,473.96 is: 10,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,051.20 : 15,249.28 = 7,473.96 : x
  2. Step 2: Convert to fraction form
    11,051.20/15,249.28 = 7,473.96/x
  3. Step 3: Cross multiply
    11,051.20x = 15,249.28 × 7,473.96
  4. Step 4: Simplify right side
    11,051.20x = 113,972,508.75
  5. Step 5: Solve for x
    x = 113,972,508.75/11,051.20
  6. Step 6: Final answer
    x = 10,313.13

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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.