Home / 11,091.68-16,638.16-4,166.24

Finding the Fourth Proportional to 11,091.68, 16,638.16 and 4,166.24

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Solution

The fourth proportional to 11,091.68, 16,638.16 and 4,166.24 is: 6,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.68 : 16,638.16 = 4,166.24 : x
  2. Step 2: Convert to fraction form
    11,091.68/16,638.16 = 4,166.24/x
  3. Step 3: Cross multiply
    11,091.68x = 16,638.16 × 4,166.24
  4. Step 4: Simplify right side
    11,091.68x = 69,318,567.72
  5. Step 5: Solve for x
    x = 69,318,567.72/11,091.68
  6. Step 6: Final answer
    x = 6,249.60

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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.