Home / 8,518.01-12,777.56-2,674.85

Finding the Fourth Proportional to 8,518.01, 12,777.56 and 2,674.85

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Solution

The fourth proportional to 8,518.01, 12,777.56 and 2,674.85 is: 4,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.01 : 12,777.56 = 2,674.85 : x
  2. Step 2: Convert to fraction form
    8,518.01/12,777.56 = 2,674.85/x
  3. Step 3: Cross multiply
    8,518.01x = 12,777.56 × 2,674.85
  4. Step 4: Simplify right side
    8,518.01x = 34,178,081.62
  5. Step 5: Solve for x
    x = 34,178,081.62/8,518.01
  6. Step 6: Final answer
    x = 4,012.45

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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.