Home / 8,282.12-11,429.34-4,556.12

Finding the Fourth Proportional to 8,282.12, 11,429.34 and 4,556.12

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Solution

The fourth proportional to 8,282.12, 11,429.34 and 4,556.12 is: 6,287.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.12 : 11,429.34 = 4,556.12 : x
  2. Step 2: Convert to fraction form
    8,282.12/11,429.34 = 4,556.12/x
  3. Step 3: Cross multiply
    8,282.12x = 11,429.34 × 4,556.12
  4. Step 4: Simplify right side
    8,282.12x = 52,073,444.56
  5. Step 5: Solve for x
    x = 52,073,444.56/8,282.12
  6. Step 6: Final answer
    x = 6,287.45

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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.