Home / 9,361.44-12,919.57-5,383.83

Finding the Fourth Proportional to 9,361.44, 12,919.57 and 5,383.83

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Solution

The fourth proportional to 9,361.44, 12,919.57 and 5,383.83 is: 7,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361.44 : 12,919.57 = 5,383.83 : x
  2. Step 2: Convert to fraction form
    9,361.44/12,919.57 = 5,383.83/x
  3. Step 3: Cross multiply
    9,361.44x = 12,919.57 × 5,383.83
  4. Step 4: Simplify right side
    9,361.44x = 69,556,803.54
  5. Step 5: Solve for x
    x = 69,556,803.54/9,361.44
  6. Step 6: Final answer
    x = 7,430.14

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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.