Home / 11,223.45-16,832.48-3,432.33

Finding the Fourth Proportional to 11,223.45, 16,832.48 and 3,432.33

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Solution

The fourth proportional to 11,223.45, 16,832.48 and 3,432.33 is: 5,147.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.45 : 16,832.48 = 3,432.33 : x
  2. Step 2: Convert to fraction form
    11,223.45/16,832.48 = 3,432.33/x
  3. Step 3: Cross multiply
    11,223.45x = 16,832.48 × 3,432.33
  4. Step 4: Simplify right side
    11,223.45x = 57,774,608.92
  5. Step 5: Solve for x
    x = 57,774,608.92/11,223.45
  6. Step 6: Final answer
    x = 5,147.67

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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.