Home / 7,403.98-11,109.43-3,243.44

Finding the Fourth Proportional to 7,403.98, 11,109.43 and 3,243.44

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Solution

The fourth proportional to 7,403.98, 11,109.43 and 3,243.44 is: 4,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.98 : 11,109.43 = 3,243.44 : x
  2. Step 2: Convert to fraction form
    7,403.98/11,109.43 = 3,243.44/x
  3. Step 3: Cross multiply
    7,403.98x = 11,109.43 × 3,243.44
  4. Step 4: Simplify right side
    7,403.98x = 36,032,792.34
  5. Step 5: Solve for x
    x = 36,032,792.34/7,403.98
  6. Step 6: Final answer
    x = 4,866.68

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1.5x scale

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.