Home / 7,431.11-11,145.24-3,732.35

Finding the Fourth Proportional to 7,431.11, 11,145.24 and 3,732.35

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Solution

The fourth proportional to 7,431.11, 11,145.24 and 3,732.35 is: 5,597.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.11 : 11,145.24 = 3,732.35 : x
  2. Step 2: Convert to fraction form
    7,431.11/11,145.24 = 3,732.35/x
  3. Step 3: Cross multiply
    7,431.11x = 11,145.24 × 3,732.35
  4. Step 4: Simplify right side
    7,431.11x = 41,597,936.51
  5. Step 5: Solve for x
    x = 41,597,936.51/7,431.11
  6. Step 6: Final answer
    x = 5,597.81

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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.