Home / 11,012.66-16,521.03-3,619.23

Finding the Fourth Proportional to 11,012.66, 16,521.03 and 3,619.23

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Solution

The fourth proportional to 11,012.66, 16,521.03 and 3,619.23 is: 5,429.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.66 : 16,521.03 = 3,619.23 : x
  2. Step 2: Convert to fraction form
    11,012.66/16,521.03 = 3,619.23/x
  3. Step 3: Cross multiply
    11,012.66x = 16,521.03 × 3,619.23
  4. Step 4: Simplify right side
    11,012.66x = 59,793,407.41
  5. Step 5: Solve for x
    x = 59,793,407.41/11,012.66
  6. Step 6: Final answer
    x = 5,429.52

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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.