Home / 7,648.26-11,467.77-3,430.74

Finding the Fourth Proportional to 7,648.26, 11,467.77 and 3,430.74

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Solution

The fourth proportional to 7,648.26, 11,467.77 and 3,430.74 is: 5,144.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.26 : 11,467.77 = 3,430.74 : x
  2. Step 2: Convert to fraction form
    7,648.26/11,467.77 = 3,430.74/x
  3. Step 3: Cross multiply
    7,648.26x = 11,467.77 × 3,430.74
  4. Step 4: Simplify right side
    7,648.26x = 39,342,900.00
  5. Step 5: Solve for x
    x = 39,342,900.00/7,648.26
  6. Step 6: Final answer
    x = 5,144.04

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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.