Home / 11,055.21-16,580.26-3,157.56

Finding the Fourth Proportional to 11,055.21, 16,580.26 and 3,157.56

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Solution

The fourth proportional to 11,055.21, 16,580.26 and 3,157.56 is: 4,735.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.21 : 16,580.26 = 3,157.56 : x
  2. Step 2: Convert to fraction form
    11,055.21/16,580.26 = 3,157.56/x
  3. Step 3: Cross multiply
    11,055.21x = 16,580.26 × 3,157.56
  4. Step 4: Simplify right side
    11,055.21x = 52,353,165.77
  5. Step 5: Solve for x
    x = 52,353,165.77/11,055.21
  6. Step 6: Final answer
    x = 4,735.61

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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.