Home / 8,777.43-12,112.21-4,797.69

Finding the Fourth Proportional to 8,777.43, 12,112.21 and 4,797.69

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Solution

The fourth proportional to 8,777.43, 12,112.21 and 4,797.69 is: 6,620.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.43 : 12,112.21 = 4,797.69 : x
  2. Step 2: Convert to fraction form
    8,777.43/12,112.21 = 4,797.69/x
  3. Step 3: Cross multiply
    8,777.43x = 12,112.21 × 4,797.69
  4. Step 4: Simplify right side
    8,777.43x = 58,110,628.79
  5. Step 5: Solve for x
    x = 58,110,628.79/8,777.43
  6. Step 6: Final answer
    x = 6,620.46

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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.