Home / 8,467.42-11,683.38-5,321.79

Finding the Fourth Proportional to 8,467.42, 11,683.38 and 5,321.79

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Solution

The fourth proportional to 8,467.42, 11,683.38 and 5,321.79 is: 7,343.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.42 : 11,683.38 = 5,321.79 : x
  2. Step 2: Convert to fraction form
    8,467.42/11,683.38 = 5,321.79/x
  3. Step 3: Cross multiply
    8,467.42x = 11,683.38 × 5,321.79
  4. Step 4: Simplify right side
    8,467.42x = 62,176,494.85
  5. Step 5: Solve for x
    x = 62,176,494.85/8,467.42
  6. Step 6: Final answer
    x = 7,343.03

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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.