Home / 9,531.44-13,153.36-5,282.72

Finding the Fourth Proportional to 9,531.44, 13,153.36 and 5,282.72

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Solution

The fourth proportional to 9,531.44, 13,153.36 and 5,282.72 is: 7,290.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.44 : 13,153.36 = 5,282.72 : x
  2. Step 2: Convert to fraction form
    9,531.44/13,153.36 = 5,282.72/x
  3. Step 3: Cross multiply
    9,531.44x = 13,153.36 × 5,282.72
  4. Step 4: Simplify right side
    9,531.44x = 69,485,517.94
  5. Step 5: Solve for x
    x = 69,485,517.94/9,531.44
  6. Step 6: Final answer
    x = 7,290.14

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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.