Home / 11,709.22-17,563.85-4,783.72

Finding the Fourth Proportional to 11,709.22, 17,563.85 and 4,783.72

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Solution

The fourth proportional to 11,709.22, 17,563.85 and 4,783.72 is: 7,175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709.22 : 17,563.85 = 4,783.72 : x
  2. Step 2: Convert to fraction form
    11,709.22/17,563.85 = 4,783.72/x
  3. Step 3: Cross multiply
    11,709.22x = 17,563.85 × 4,783.72
  4. Step 4: Simplify right side
    11,709.22x = 84,020,516.60
  5. Step 5: Solve for x
    x = 84,020,516.60/11,709.22
  6. Step 6: Final answer
    x = 7,175.59

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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.