Home / 9,243.50-13,871.40-3,400.11

Finding the Fourth Proportional to 9,243.50, 13,871.40 and 3,400.11

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Solution

The fourth proportional to 9,243.50, 13,871.40 and 3,400.11 is: 5,102.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243.50 : 13,871.40 = 3,400.11 : x
  2. Step 2: Convert to fraction form
    9,243.50/13,871.40 = 3,400.11/x
  3. Step 3: Cross multiply
    9,243.50x = 13,871.40 × 3,400.11
  4. Step 4: Simplify right side
    9,243.50x = 47,164,285.85
  5. Step 5: Solve for x
    x = 47,164,285.85/9,243.50
  6. Step 6: Final answer
    x = 5,102.43

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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.