Home / 7,515.08-11,273.64-7,100.56

Finding the Fourth Proportional to 7,515.08, 11,273.64 and 7,100.56

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Solution

The fourth proportional to 7,515.08, 11,273.64 and 7,100.56 is: 10,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.08 : 11,273.64 = 7,100.56 : x
  2. Step 2: Convert to fraction form
    7,515.08/11,273.64 = 7,100.56/x
  3. Step 3: Cross multiply
    7,515.08x = 11,273.64 × 7,100.56
  4. Step 4: Simplify right side
    7,515.08x = 80,049,157.24
  5. Step 5: Solve for x
    x = 80,049,157.24/7,515.08
  6. Step 6: Final answer
    x = 10,651.80

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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.