Home / 12,028.32-16,600.08-6,723.60

Finding the Fourth Proportional to 12,028.32, 16,600.08 and 6,723.60

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Solution

The fourth proportional to 12,028.32, 16,600.08 and 6,723.60 is: 9,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.32 : 16,600.08 = 6,723.60 : x
  2. Step 2: Convert to fraction form
    12,028.32/16,600.08 = 6,723.60/x
  3. Step 3: Cross multiply
    12,028.32x = 16,600.08 × 6,723.60
  4. Step 4: Simplify right side
    12,028.32x = 111,612,297.89
  5. Step 5: Solve for x
    x = 111,612,297.89/12,028.32
  6. Step 6: Final answer
    x = 9,279.13

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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.