Home / 11,830.16-17,743.80-4,038.80

Finding the Fourth Proportional to 11,830.16, 17,743.80 and 4,038.80

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Solution

The fourth proportional to 11,830.16, 17,743.80 and 4,038.80 is: 6,057.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,830.16 : 17,743.80 = 4,038.80 : x
  2. Step 2: Convert to fraction form
    11,830.16/17,743.80 = 4,038.80/x
  3. Step 3: Cross multiply
    11,830.16x = 17,743.80 × 4,038.80
  4. Step 4: Simplify right side
    11,830.16x = 71,663,659.44
  5. Step 5: Solve for x
    x = 71,663,659.44/11,830.16
  6. Step 6: Final answer
    x = 6,057.71

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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.