Home / 7,568.68-11,353.34-3,407.88

Finding the Fourth Proportional to 7,568.68, 11,353.34 and 3,407.88

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Solution

The fourth proportional to 7,568.68, 11,353.34 and 3,407.88 is: 5,111.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,568.68 : 11,353.34 = 3,407.88 : x
  2. Step 2: Convert to fraction form
    7,568.68/11,353.34 = 3,407.88/x
  3. Step 3: Cross multiply
    7,568.68x = 11,353.34 × 3,407.88
  4. Step 4: Simplify right side
    7,568.68x = 38,690,820.32
  5. Step 5: Solve for x
    x = 38,690,820.32/7,568.68
  6. Step 6: Final answer
    x = 5,111.96

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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.