Home / 7,515.62-11,273.60-2,321.50

Finding the Fourth Proportional to 7,515.62, 11,273.60 and 2,321.50

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Solution

The fourth proportional to 7,515.62, 11,273.60 and 2,321.50 is: 3,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.62 : 11,273.60 = 2,321.50 : x
  2. Step 2: Convert to fraction form
    7,515.62/11,273.60 = 2,321.50/x
  3. Step 3: Cross multiply
    7,515.62x = 11,273.60 × 2,321.50
  4. Step 4: Simplify right side
    7,515.62x = 26,171,662.40
  5. Step 5: Solve for x
    x = 26,171,662.40/7,515.62
  6. Step 6: Final answer
    x = 3,482.30

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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.