Home / 7,780.44-10,742.27-5,984.73

Finding the Fourth Proportional to 7,780.44, 10,742.27 and 5,984.73

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Solution

The fourth proportional to 7,780.44, 10,742.27 and 5,984.73 is: 8,262.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780.44 : 10,742.27 = 5,984.73 : x
  2. Step 2: Convert to fraction form
    7,780.44/10,742.27 = 5,984.73/x
  3. Step 3: Cross multiply
    7,780.44x = 10,742.27 × 5,984.73
  4. Step 4: Simplify right side
    7,780.44x = 64,289,555.61
  5. Step 5: Solve for x
    x = 64,289,555.61/7,780.44
  6. Step 6: Final answer
    x = 8,262.97

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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.