Home / 7,461.33-11,190.62-3,018.75

Finding the Fourth Proportional to 7,461.33, 11,190.62 and 3,018.75

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Solution

The fourth proportional to 7,461.33, 11,190.62 and 3,018.75 is: 4,527.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,461.33 : 11,190.62 = 3,018.75 : x
  2. Step 2: Convert to fraction form
    7,461.33/11,190.62 = 3,018.75/x
  3. Step 3: Cross multiply
    7,461.33x = 11,190.62 × 3,018.75
  4. Step 4: Simplify right side
    7,461.33x = 33,781,712.65
  5. Step 5: Solve for x
    x = 33,781,712.65/7,461.33
  6. Step 6: Final answer
    x = 4,527.57

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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.