Home / 8,297.47-11,450.40-4,520.79

Finding the Fourth Proportional to 8,297.47, 11,450.40 and 4,520.79

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Solution

The fourth proportional to 8,297.47, 11,450.40 and 4,520.79 is: 6,238.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,297.47 : 11,450.40 = 4,520.79 : x
  2. Step 2: Convert to fraction form
    8,297.47/11,450.40 = 4,520.79/x
  3. Step 3: Cross multiply
    8,297.47x = 11,450.40 × 4,520.79
  4. Step 4: Simplify right side
    8,297.47x = 51,764,853.82
  5. Step 5: Solve for x
    x = 51,764,853.82/8,297.47
  6. Step 6: Final answer
    x = 6,238.63

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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.