Home / 12,245.94-16,899.81-6,657.06

Finding the Fourth Proportional to 12,245.94, 16,899.81 and 6,657.06

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Solution

The fourth proportional to 12,245.94, 16,899.81 and 6,657.06 is: 9,186.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245.94 : 16,899.81 = 6,657.06 : x
  2. Step 2: Convert to fraction form
    12,245.94/16,899.81 = 6,657.06/x
  3. Step 3: Cross multiply
    12,245.94x = 16,899.81 × 6,657.06
  4. Step 4: Simplify right side
    12,245.94x = 112,503,049.16
  5. Step 5: Solve for x
    x = 112,503,049.16/12,245.94
  6. Step 6: Final answer
    x = 9,186.97

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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.