Home / 11,072.36-15,271.22-7,093.85

Finding the Fourth Proportional to 11,072.36, 15,271.22 and 7,093.85

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Solution

The fourth proportional to 11,072.36, 15,271.22 and 7,093.85 is: 9,783.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.36 : 15,271.22 = 7,093.85 : x
  2. Step 2: Convert to fraction form
    11,072.36/15,271.22 = 7,093.85/x
  3. Step 3: Cross multiply
    11,072.36x = 15,271.22 × 7,093.85
  4. Step 4: Simplify right side
    11,072.36x = 108,331,632.17
  5. Step 5: Solve for x
    x = 108,331,632.17/11,072.36
  6. Step 6: Final answer
    x = 9,783.97

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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.