Home / 7,968.96-11,948.88-3,283.44

Finding the Fourth Proportional to 7,968.96, 11,948.88 and 3,283.44

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Solution

The fourth proportional to 7,968.96, 11,948.88 and 3,283.44 is: 4,923.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.96 : 11,948.88 = 3,283.44 : x
  2. Step 2: Convert to fraction form
    7,968.96/11,948.88 = 3,283.44/x
  3. Step 3: Cross multiply
    7,968.96x = 11,948.88 × 3,283.44
  4. Step 4: Simplify right side
    7,968.96x = 39,233,430.55
  5. Step 5: Solve for x
    x = 39,233,430.55/7,968.96
  6. Step 6: Final answer
    x = 4,923.28

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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.