Home / 11,273.99-15,469.38-10,647.05

Finding the Fourth Proportional to 11,273.99, 15,469.38 and 10,647.05

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Solution

The fourth proportional to 11,273.99, 15,469.38 and 10,647.05 is: 14,609.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273.99 : 15,469.38 = 10,647.05 : x
  2. Step 2: Convert to fraction form
    11,273.99/15,469.38 = 10,647.05/x
  3. Step 3: Cross multiply
    11,273.99x = 15,469.38 × 10,647.05
  4. Step 4: Simplify right side
    11,273.99x = 164,703,184.98
  5. Step 5: Solve for x
    x = 164,703,184.98/11,273.99
  6. Step 6: Final answer
    x = 14,609.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.