Home / 11,323.11-16,969.22-4,299.36

Finding the Fourth Proportional to 11,323.11, 16,969.22 and 4,299.36

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Solution

The fourth proportional to 11,323.11, 16,969.22 and 4,299.36 is: 6,443.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.11 : 16,969.22 = 4,299.36 : x
  2. Step 2: Convert to fraction form
    11,323.11/16,969.22 = 4,299.36/x
  3. Step 3: Cross multiply
    11,323.11x = 16,969.22 × 4,299.36
  4. Step 4: Simplify right side
    11,323.11x = 72,956,764.20
  5. Step 5: Solve for x
    x = 72,956,764.20/11,323.11
  6. Step 6: Final answer
    x = 6,443.17

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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.