Home / 8,940.23-13,407.36-3,015.51

Finding the Fourth Proportional to 8,940.23, 13,407.36 and 3,015.51

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Solution

The fourth proportional to 8,940.23, 13,407.36 and 3,015.51 is: 4,522.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.23 : 13,407.36 = 3,015.51 : x
  2. Step 2: Convert to fraction form
    8,940.23/13,407.36 = 3,015.51/x
  3. Step 3: Cross multiply
    8,940.23x = 13,407.36 × 3,015.51
  4. Step 4: Simplify right side
    8,940.23x = 40,430,028.15
  5. Step 5: Solve for x
    x = 40,430,028.15/8,940.23
  6. Step 6: Final answer
    x = 4,522.26

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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.