Home / 7,431.36-11,131.92-5,962.56

Finding the Fourth Proportional to 7,431.36, 11,131.92 and 5,962.56

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Solution

The fourth proportional to 7,431.36, 11,131.92 and 5,962.56 is: 8,931.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.36 : 11,131.92 = 5,962.56 : x
  2. Step 2: Convert to fraction form
    7,431.36/11,131.92 = 5,962.56/x
  3. Step 3: Cross multiply
    7,431.36x = 11,131.92 × 5,962.56
  4. Step 4: Simplify right side
    7,431.36x = 66,374,740.92
  5. Step 5: Solve for x
    x = 66,374,740.92/7,431.36
  6. Step 6: Final answer
    x = 8,931.71

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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.