Home / 7,568.93-11,353.45-2,638.56

Finding the Fourth Proportional to 7,568.93, 11,353.45 and 2,638.56

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Solution

The fourth proportional to 7,568.93, 11,353.45 and 2,638.56 is: 3,957.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,568.93 : 11,353.45 = 2,638.56 : x
  2. Step 2: Convert to fraction form
    7,568.93/11,353.45 = 2,638.56/x
  3. Step 3: Cross multiply
    7,568.93x = 11,353.45 × 2,638.56
  4. Step 4: Simplify right side
    7,568.93x = 29,956,759.03
  5. Step 5: Solve for x
    x = 29,956,759.03/7,568.93
  6. Step 6: Final answer
    x = 3,957.86

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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.