Home / 12,067.02-16,653.26-6,689.68

Finding the Fourth Proportional to 12,067.02, 16,653.26 and 6,689.68

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Solution

The fourth proportional to 12,067.02, 16,653.26 and 6,689.68 is: 9,232.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067.02 : 16,653.26 = 6,689.68 : x
  2. Step 2: Convert to fraction form
    12,067.02/16,653.26 = 6,689.68/x
  3. Step 3: Cross multiply
    12,067.02x = 16,653.26 × 6,689.68
  4. Step 4: Simplify right side
    12,067.02x = 111,404,905.28
  5. Step 5: Solve for x
    x = 111,404,905.28/12,067.02
  6. Step 6: Final answer
    x = 9,232.18

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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.