Home / 11,835.18-17,751.39-3,069.42

Finding the Fourth Proportional to 11,835.18, 17,751.39 and 3,069.42

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Solution

The fourth proportional to 11,835.18, 17,751.39 and 3,069.42 is: 4,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.18 : 17,751.39 = 3,069.42 : x
  2. Step 2: Convert to fraction form
    11,835.18/17,751.39 = 3,069.42/x
  3. Step 3: Cross multiply
    11,835.18x = 17,751.39 × 3,069.42
  4. Step 4: Simplify right side
    11,835.18x = 54,486,471.49
  5. Step 5: Solve for x
    x = 54,486,471.49/11,835.18
  6. Step 6: Final answer
    x = 4,603.77

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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.