Home / 9,319.96-12,863.37-5,343.73

Finding the Fourth Proportional to 9,319.96, 12,863.37 and 5,343.73

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Solution

The fourth proportional to 9,319.96, 12,863.37 and 5,343.73 is: 7,375.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.96 : 12,863.37 = 5,343.73 : x
  2. Step 2: Convert to fraction form
    9,319.96/12,863.37 = 5,343.73/x
  3. Step 3: Cross multiply
    9,319.96x = 12,863.37 × 5,343.73
  4. Step 4: Simplify right side
    9,319.96x = 68,738,376.17
  5. Step 5: Solve for x
    x = 68,738,376.17/9,319.96
  6. Step 6: Final answer
    x = 7,375.39

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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.