Home / 11,827.42-17,750.31-4,438.60

Finding the Fourth Proportional to 11,827.42, 17,750.31 and 4,438.60

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Solution

The fourth proportional to 11,827.42, 17,750.31 and 4,438.60 is: 6,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827.42 : 17,750.31 = 4,438.60 : x
  2. Step 2: Convert to fraction form
    11,827.42/17,750.31 = 4,438.60/x
  3. Step 3: Cross multiply
    11,827.42x = 17,750.31 × 4,438.60
  4. Step 4: Simplify right side
    11,827.42x = 78,786,525.97
  5. Step 5: Solve for x
    x = 78,786,525.97/11,827.42
  6. Step 6: Final answer
    x = 6,661.35

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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.