Home / 12,249.16-16,903.26-6,660.16

Finding the Fourth Proportional to 12,249.16, 16,903.26 and 6,660.16

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Solution

The fourth proportional to 12,249.16, 16,903.26 and 6,660.16 is: 9,190.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.16 : 16,903.26 = 6,660.16 : x
  2. Step 2: Convert to fraction form
    12,249.16/16,903.26 = 6,660.16/x
  3. Step 3: Cross multiply
    12,249.16x = 16,903.26 × 6,660.16
  4. Step 4: Simplify right side
    12,249.16x = 112,578,416.12
  5. Step 5: Solve for x
    x = 112,578,416.12/12,249.16
  6. Step 6: Final answer
    x = 9,190.71

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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.