Home / 11,028.55-15,222.96-7,060.36

Finding the Fourth Proportional to 11,028.55, 15,222.96 and 7,060.36

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Solution

The fourth proportional to 11,028.55, 15,222.96 and 7,060.36 is: 9,745.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.55 : 15,222.96 = 7,060.36 : x
  2. Step 2: Convert to fraction form
    11,028.55/15,222.96 = 7,060.36/x
  3. Step 3: Cross multiply
    11,028.55x = 15,222.96 × 7,060.36
  4. Step 4: Simplify right side
    11,028.55x = 107,479,577.87
  5. Step 5: Solve for x
    x = 107,479,577.87/11,028.55
  6. Step 6: Final answer
    x = 9,745.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.