Home / 7,650.18-11,475.33-4,185.54

Finding the Fourth Proportional to 7,650.18, 11,475.33 and 4,185.54

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Solution

The fourth proportional to 7,650.18, 11,475.33 and 4,185.54 is: 6,278.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.18 : 11,475.33 = 4,185.54 : x
  2. Step 2: Convert to fraction form
    7,650.18/11,475.33 = 4,185.54/x
  3. Step 3: Cross multiply
    7,650.18x = 11,475.33 × 4,185.54
  4. Step 4: Simplify right side
    7,650.18x = 48,030,452.73
  5. Step 5: Solve for x
    x = 48,030,452.73/7,650.18
  6. Step 6: Final answer
    x = 6,278.34

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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.