Home / 7,486.96-11,232.84-3,591.64

Finding the Fourth Proportional to 7,486.96, 11,232.84 and 3,591.64

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Solution

The fourth proportional to 7,486.96, 11,232.84 and 3,591.64 is: 5,388.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.96 : 11,232.84 = 3,591.64 : x
  2. Step 2: Convert to fraction form
    7,486.96/11,232.84 = 3,591.64/x
  3. Step 3: Cross multiply
    7,486.96x = 11,232.84 × 3,591.64
  4. Step 4: Simplify right side
    7,486.96x = 40,344,317.46
  5. Step 5: Solve for x
    x = 40,344,317.46/7,486.96
  6. Step 6: Final answer
    x = 5,388.61

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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.