Home / 9,231.75-12,738.69-5,252.94

Finding the Fourth Proportional to 9,231.75, 12,738.69 and 5,252.94

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Solution

The fourth proportional to 9,231.75, 12,738.69 and 5,252.94 is: 7,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.75 : 12,738.69 = 5,252.94 : x
  2. Step 2: Convert to fraction form
    9,231.75/12,738.69 = 5,252.94/x
  3. Step 3: Cross multiply
    9,231.75x = 12,738.69 × 5,252.94
  4. Step 4: Simplify right side
    9,231.75x = 66,915,574.25
  5. Step 5: Solve for x
    x = 66,915,574.25/9,231.75
  6. Step 6: Final answer
    x = 7,248.42

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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.