Home / 11,189.06-16,780.99-4,945.67

Finding the Fourth Proportional to 11,189.06, 16,780.99 and 4,945.67

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Solution

The fourth proportional to 11,189.06, 16,780.99 and 4,945.67 is: 7,417.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.06 : 16,780.99 = 4,945.67 : x
  2. Step 2: Convert to fraction form
    11,189.06/16,780.99 = 4,945.67/x
  3. Step 3: Cross multiply
    11,189.06x = 16,780.99 × 4,945.67
  4. Step 4: Simplify right side
    11,189.06x = 82,993,238.81
  5. Step 5: Solve for x
    x = 82,993,238.81/11,189.06
  6. Step 6: Final answer
    x = 7,417.36

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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.