Home / 8,467.12-11,684.46-4,690.54

Finding the Fourth Proportional to 8,467.12, 11,684.46 and 4,690.54

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Solution

The fourth proportional to 8,467.12, 11,684.46 and 4,690.54 is: 6,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.12 : 11,684.46 = 4,690.54 : x
  2. Step 2: Convert to fraction form
    8,467.12/11,684.46 = 4,690.54/x
  3. Step 3: Cross multiply
    8,467.12x = 11,684.46 × 4,690.54
  4. Step 4: Simplify right side
    8,467.12x = 54,806,427.01
  5. Step 5: Solve for x
    x = 54,806,427.01/8,467.12
  6. Step 6: Final answer
    x = 6,472.85

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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.