Home / 7,629.59-11,435.61-4,781.36

Finding the Fourth Proportional to 7,629.59, 11,435.61 and 4,781.36

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Solution

The fourth proportional to 7,629.59, 11,435.61 and 4,781.36 is: 7,166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.59 : 11,435.61 = 4,781.36 : x
  2. Step 2: Convert to fraction form
    7,629.59/11,435.61 = 4,781.36/x
  3. Step 3: Cross multiply
    7,629.59x = 11,435.61 × 4,781.36
  4. Step 4: Simplify right side
    7,629.59x = 54,677,814.75
  5. Step 5: Solve for x
    x = 54,677,814.75/7,629.59
  6. Step 6: Final answer
    x = 7,166.54

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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.