Home / 7,568.63-11,354.85-2,638.32

Finding the Fourth Proportional to 7,568.63, 11,354.85 and 2,638.32

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Solution

The fourth proportional to 7,568.63, 11,354.85 and 2,638.32 is: 3,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,568.63 : 11,354.85 = 2,638.32 : x
  2. Step 2: Convert to fraction form
    7,568.63/11,354.85 = 2,638.32/x
  3. Step 3: Cross multiply
    7,568.63x = 11,354.85 × 2,638.32
  4. Step 4: Simplify right side
    7,568.63x = 29,957,727.85
  5. Step 5: Solve for x
    x = 29,957,727.85/7,568.63
  6. Step 6: Final answer
    x = 3,958.14

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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.