Home / 12,297.75-16,971.69-6,993.06

Finding the Fourth Proportional to 12,297.75, 16,971.69 and 6,993.06

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Solution

The fourth proportional to 12,297.75, 16,971.69 and 6,993.06 is: 9,650.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,297.75 : 16,971.69 = 6,993.06 : x
  2. Step 2: Convert to fraction form
    12,297.75/16,971.69 = 6,993.06/x
  3. Step 3: Cross multiply
    12,297.75x = 16,971.69 × 6,993.06
  4. Step 4: Simplify right side
    12,297.75x = 118,684,046.47
  5. Step 5: Solve for x
    x = 118,684,046.47/12,297.75
  6. Step 6: Final answer
    x = 9,650.87

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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.