Home / 7,614.33-11,420.09-3,453.33

Finding the Fourth Proportional to 7,614.33, 11,420.09 and 3,453.33

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Solution

The fourth proportional to 7,614.33, 11,420.09 and 3,453.33 is: 5,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614.33 : 11,420.09 = 3,453.33 : x
  2. Step 2: Convert to fraction form
    7,614.33/11,420.09 = 3,453.33/x
  3. Step 3: Cross multiply
    7,614.33x = 11,420.09 × 3,453.33
  4. Step 4: Simplify right side
    7,614.33x = 39,437,339.40
  5. Step 5: Solve for x
    x = 39,437,339.40/7,614.33
  6. Step 6: Final answer
    x = 5,179.36

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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.