Home / 7,524.96-10,382.64-4,212.96

Finding the Fourth Proportional to 7,524.96, 10,382.64 and 4,212.96

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Solution

The fourth proportional to 7,524.96, 10,382.64 and 4,212.96 is: 5,812.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,524.96 : 10,382.64 = 4,212.96 : x
  2. Step 2: Convert to fraction form
    7,524.96/10,382.64 = 4,212.96/x
  3. Step 3: Cross multiply
    7,524.96x = 10,382.64 × 4,212.96
  4. Step 4: Simplify right side
    7,524.96x = 43,741,647.01
  5. Step 5: Solve for x
    x = 43,741,647.01/7,524.96
  6. Step 6: Final answer
    x = 5,812.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.