Home / 7,415.10-11,113.20-3,027.60

Finding the Fourth Proportional to 7,415.10, 11,113.20 and 3,027.60

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Solution

The fourth proportional to 7,415.10, 11,113.20 and 3,027.60 is: 4,537.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.10 : 11,113.20 = 3,027.60 : x
  2. Step 2: Convert to fraction form
    7,415.10/11,113.20 = 3,027.60/x
  3. Step 3: Cross multiply
    7,415.10x = 11,113.20 × 3,027.60
  4. Step 4: Simplify right side
    7,415.10x = 33,646,324.32
  5. Step 5: Solve for x
    x = 33,646,324.32/7,415.10
  6. Step 6: Final answer
    x = 4,537.54

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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.