Home / 7,431.36-11,148.12-2,237.64

Finding the Fourth Proportional to 7,431.36, 11,148.12 and 2,237.64

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Solution

The fourth proportional to 7,431.36, 11,148.12 and 2,237.64 is: 3,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.36 : 11,148.12 = 2,237.64 : x
  2. Step 2: Convert to fraction form
    7,431.36/11,148.12 = 2,237.64/x
  3. Step 3: Cross multiply
    7,431.36x = 11,148.12 × 2,237.64
  4. Step 4: Simplify right side
    7,431.36x = 24,945,479.24
  5. Step 5: Solve for x
    x = 24,945,479.24/7,431.36
  6. Step 6: Final answer
    x = 3,356.79

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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.