Home / 8,394.85-12,590.61-2,550.07

Finding the Fourth Proportional to 8,394.85, 12,590.61 and 2,550.07

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Solution

The fourth proportional to 8,394.85, 12,590.61 and 2,550.07 is: 3,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.85 : 12,590.61 = 2,550.07 : x
  2. Step 2: Convert to fraction form
    8,394.85/12,590.61 = 2,550.07/x
  3. Step 3: Cross multiply
    8,394.85x = 12,590.61 × 2,550.07
  4. Step 4: Simplify right side
    8,394.85x = 32,106,936.84
  5. Step 5: Solve for x
    x = 32,106,936.84/8,394.85
  6. Step 6: Final answer
    x = 3,824.60

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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.