Home / 7,968.54-11,957.80-3,038.60

Finding the Fourth Proportional to 7,968.54, 11,957.80 and 3,038.60

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Solution

The fourth proportional to 7,968.54, 11,957.80 and 3,038.60 is: 4,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.54 : 11,957.80 = 3,038.60 : x
  2. Step 2: Convert to fraction form
    7,968.54/11,957.80 = 3,038.60/x
  3. Step 3: Cross multiply
    7,968.54x = 11,957.80 × 3,038.60
  4. Step 4: Simplify right side
    7,968.54x = 36,334,971.08
  5. Step 5: Solve for x
    x = 36,334,971.08/7,968.54
  6. Step 6: Final answer
    x = 4,559.80

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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.