Home / 7,449.73-11,157.59-3,556.87

Finding the Fourth Proportional to 7,449.73, 11,157.59 and 3,556.87

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Solution

The fourth proportional to 7,449.73, 11,157.59 and 3,556.87 is: 5,327.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.73 : 11,157.59 = 3,556.87 : x
  2. Step 2: Convert to fraction form
    7,449.73/11,157.59 = 3,556.87/x
  3. Step 3: Cross multiply
    7,449.73x = 11,157.59 × 3,556.87
  4. Step 4: Simplify right side
    7,449.73x = 39,686,079.36
  5. Step 5: Solve for x
    x = 39,686,079.36/7,449.73
  6. Step 6: Final answer
    x = 5,327.18

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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.