Home / 11,725.92-17,586.90-3,828.60

Finding the Fourth Proportional to 11,725.92, 17,586.90 and 3,828.60

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Solution

The fourth proportional to 11,725.92, 17,586.90 and 3,828.60 is: 5,742.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.92 : 17,586.90 = 3,828.60 : x
  2. Step 2: Convert to fraction form
    11,725.92/17,586.90 = 3,828.60/x
  3. Step 3: Cross multiply
    11,725.92x = 17,586.90 × 3,828.60
  4. Step 4: Simplify right side
    11,725.92x = 67,333,205.34
  5. Step 5: Solve for x
    x = 67,333,205.34/11,725.92
  6. Step 6: Final answer
    x = 5,742.25

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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.