Home / 8,175.42-11,278.44-4,816.67

Finding the Fourth Proportional to 8,175.42, 11,278.44 and 4,816.67

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Solution

The fourth proportional to 8,175.42, 11,278.44 and 4,816.67 is: 6,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.42 : 11,278.44 = 4,816.67 : x
  2. Step 2: Convert to fraction form
    8,175.42/11,278.44 = 4,816.67/x
  3. Step 3: Cross multiply
    8,175.42x = 11,278.44 × 4,816.67
  4. Step 4: Simplify right side
    8,175.42x = 54,324,467.20
  5. Step 5: Solve for x
    x = 54,324,467.20/8,175.42
  6. Step 6: Final answer
    x = 6,644.85

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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.