Home / 12,297.06-16,975.44-8,330.22

Finding the Fourth Proportional to 12,297.06, 16,975.44 and 8,330.22

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Solution

The fourth proportional to 12,297.06, 16,975.44 and 8,330.22 is: 11,499.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,297.06 : 16,975.44 = 8,330.22 : x
  2. Step 2: Convert to fraction form
    12,297.06/16,975.44 = 8,330.22/x
  3. Step 3: Cross multiply
    12,297.06x = 16,975.44 × 8,330.22
  4. Step 4: Simplify right side
    12,297.06x = 141,409,149.80
  5. Step 5: Solve for x
    x = 141,409,149.80/12,297.06
  6. Step 6: Final answer
    x = 11,499.43

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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.