Home / 9,230.76-12,736.44-5,251.23

Finding the Fourth Proportional to 9,230.76, 12,736.44 and 5,251.23

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Solution

The fourth proportional to 9,230.76, 12,736.44 and 5,251.23 is: 7,245.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,230.76 : 12,736.44 = 5,251.23 : x
  2. Step 2: Convert to fraction form
    9,230.76/12,736.44 = 5,251.23/x
  3. Step 3: Cross multiply
    9,230.76x = 12,736.44 × 5,251.23
  4. Step 4: Simplify right side
    9,230.76x = 66,881,975.82
  5. Step 5: Solve for x
    x = 66,881,975.82/9,230.76
  6. Step 6: Final answer
    x = 7,245.55

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Half scale
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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.