Home / 7,674.10-11,517.90-4,550.20

Finding the Fourth Proportional to 7,674.10, 11,517.90 and 4,550.20

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Solution

The fourth proportional to 7,674.10, 11,517.90 and 4,550.20 is: 6,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.10 : 11,517.90 = 4,550.20 : x
  2. Step 2: Convert to fraction form
    7,674.10/11,517.90 = 4,550.20/x
  3. Step 3: Cross multiply
    7,674.10x = 11,517.90 × 4,550.20
  4. Step 4: Simplify right side
    7,674.10x = 52,408,748.58
  5. Step 5: Solve for x
    x = 52,408,748.58/7,674.10
  6. Step 6: Final answer
    x = 6,829.30

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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.