Home / 7,474.48-11,201.46-3,779.18

Finding the Fourth Proportional to 7,474.48, 11,201.46 and 3,779.18

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Solution

The fourth proportional to 7,474.48, 11,201.46 and 3,779.18 is: 5,663.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.48 : 11,201.46 = 3,779.18 : x
  2. Step 2: Convert to fraction form
    7,474.48/11,201.46 = 3,779.18/x
  3. Step 3: Cross multiply
    7,474.48x = 11,201.46 × 3,779.18
  4. Step 4: Simplify right side
    7,474.48x = 42,332,333.60
  5. Step 5: Solve for x
    x = 42,332,333.60/7,474.48
  6. Step 6: Final answer
    x = 5,663.58

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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.