Home / 11,786.21-16,262.30-7,009.67

Finding the Fourth Proportional to 11,786.21, 16,262.30 and 7,009.67

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Solution

The fourth proportional to 11,786.21, 16,262.30 and 7,009.67 is: 9,671.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.21 : 16,262.30 = 7,009.67 : x
  2. Step 2: Convert to fraction form
    11,786.21/16,262.30 = 7,009.67/x
  3. Step 3: Cross multiply
    11,786.21x = 16,262.30 × 7,009.67
  4. Step 4: Simplify right side
    11,786.21x = 113,993,240.08
  5. Step 5: Solve for x
    x = 113,993,240.08/11,786.21
  6. Step 6: Final answer
    x = 9,671.75

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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.