Home / 11,186.08-16,768.70-3,785.40

Finding the Fourth Proportional to 11,186.08, 16,768.70 and 3,785.40

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Solution

The fourth proportional to 11,186.08, 16,768.70 and 3,785.40 is: 5,674.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.08 : 16,768.70 = 3,785.40 : x
  2. Step 2: Convert to fraction form
    11,186.08/16,768.70 = 3,785.40/x
  3. Step 3: Cross multiply
    11,186.08x = 16,768.70 × 3,785.40
  4. Step 4: Simplify right side
    11,186.08x = 63,476,236.98
  5. Step 5: Solve for x
    x = 63,476,236.98/11,186.08
  6. Step 6: Final answer
    x = 5,674.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.