Home / 8,467.29-11,690.57-5,285.43

Finding the Fourth Proportional to 8,467.29, 11,690.57 and 5,285.43

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Solution

The fourth proportional to 8,467.29, 11,690.57 and 5,285.43 is: 7,297.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.29 : 11,690.57 = 5,285.43 : x
  2. Step 2: Convert to fraction form
    8,467.29/11,690.57 = 5,285.43/x
  3. Step 3: Cross multiply
    8,467.29x = 11,690.57 × 5,285.43
  4. Step 4: Simplify right side
    8,467.29x = 61,789,718.62
  5. Step 5: Solve for x
    x = 61,789,718.62/8,467.29
  6. Step 6: Final answer
    x = 7,297.46

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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.