Home / 7,629.09-11,436.80-4,847.95

Finding the Fourth Proportional to 7,629.09, 11,436.80 and 4,847.95

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Solution

The fourth proportional to 7,629.09, 11,436.80 and 4,847.95 is: 7,267.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.09 : 11,436.80 = 4,847.95 : x
  2. Step 2: Convert to fraction form
    7,629.09/11,436.80 = 4,847.95/x
  3. Step 3: Cross multiply
    7,629.09x = 11,436.80 × 4,847.95
  4. Step 4: Simplify right side
    7,629.09x = 55,445,024.62
  5. Step 5: Solve for x
    x = 55,445,024.62/7,629.09
  6. Step 6: Final answer
    x = 7,267.58

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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.