Home / 11,809.75-16,297.47-6,504.55

Finding the Fourth Proportional to 11,809.75, 16,297.47 and 6,504.55

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Solution

The fourth proportional to 11,809.75, 16,297.47 and 6,504.55 is: 8,976.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.75 : 16,297.47 = 6,504.55 : x
  2. Step 2: Convert to fraction form
    11,809.75/16,297.47 = 6,504.55/x
  3. Step 3: Cross multiply
    11,809.75x = 16,297.47 × 6,504.55
  4. Step 4: Simplify right side
    11,809.75x = 106,007,708.49
  5. Step 5: Solve for x
    x = 106,007,708.49/11,809.75
  6. Step 6: Final answer
    x = 8,976.29

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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.