Home / 9,759.44-13,467.96-5,283.20

Finding the Fourth Proportional to 9,759.44, 13,467.96 and 5,283.20

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Solution

The fourth proportional to 9,759.44, 13,467.96 and 5,283.20 is: 7,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,759.44 : 13,467.96 = 5,283.20 : x
  2. Step 2: Convert to fraction form
    9,759.44/13,467.96 = 5,283.20/x
  3. Step 3: Cross multiply
    9,759.44x = 13,467.96 × 5,283.20
  4. Step 4: Simplify right side
    9,759.44x = 71,153,926.27
  5. Step 5: Solve for x
    x = 71,153,926.27/9,759.44
  6. Step 6: Final answer
    x = 7,290.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.