Home / 7,990.16-11,027.46-5,759.42

Finding the Fourth Proportional to 7,990.16, 11,027.46 and 5,759.42

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Solution

The fourth proportional to 7,990.16, 11,027.46 and 5,759.42 is: 7,948.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.16 : 11,027.46 = 5,759.42 : x
  2. Step 2: Convert to fraction form
    7,990.16/11,027.46 = 5,759.42/x
  3. Step 3: Cross multiply
    7,990.16x = 11,027.46 × 5,759.42
  4. Step 4: Simplify right side
    7,990.16x = 63,511,773.67
  5. Step 5: Solve for x
    x = 63,511,773.67/7,990.16
  6. Step 6: Final answer
    x = 7,948.75

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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.