Home / 7,845.35-11,762.32-3,683.21

Finding the Fourth Proportional to 7,845.35, 11,762.32 and 3,683.21

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Solution

The fourth proportional to 7,845.35, 11,762.32 and 3,683.21 is: 5,522.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.35 : 11,762.32 = 3,683.21 : x
  2. Step 2: Convert to fraction form
    7,845.35/11,762.32 = 3,683.21/x
  3. Step 3: Cross multiply
    7,845.35x = 11,762.32 × 3,683.21
  4. Step 4: Simplify right side
    7,845.35x = 43,323,076.23
  5. Step 5: Solve for x
    x = 43,323,076.23/7,845.35
  6. Step 6: Final answer
    x = 5,522.14

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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.