Home / 8,915.35-13,365.73-3,365.54

Finding the Fourth Proportional to 8,915.35, 13,365.73 and 3,365.54

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Solution

The fourth proportional to 8,915.35, 13,365.73 and 3,365.54 is: 5,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.35 : 13,365.73 = 3,365.54 : x
  2. Step 2: Convert to fraction form
    8,915.35/13,365.73 = 3,365.54/x
  3. Step 3: Cross multiply
    8,915.35x = 13,365.73 × 3,365.54
  4. Step 4: Simplify right side
    8,915.35x = 44,982,815.29
  5. Step 5: Solve for x
    x = 44,982,815.29/8,915.35
  6. Step 6: Final answer
    x = 5,045.55

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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.