Home / 11,601.78-17,403.06-3,810.36

Finding the Fourth Proportional to 11,601.78, 17,403.06 and 3,810.36

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Solution

The fourth proportional to 11,601.78, 17,403.06 and 3,810.36 is: 5,715.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,601.78 : 17,403.06 = 3,810.36 : x
  2. Step 2: Convert to fraction form
    11,601.78/17,403.06 = 3,810.36/x
  3. Step 3: Cross multiply
    11,601.78x = 17,403.06 × 3,810.36
  4. Step 4: Simplify right side
    11,601.78x = 66,311,923.70
  5. Step 5: Solve for x
    x = 66,311,923.70/11,601.78
  6. Step 6: Final answer
    x = 5,715.67

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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.