Home / 12,311.22-18,466.80-4,520.04

Finding the Fourth Proportional to 12,311.22, 18,466.80 and 4,520.04

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Solution

The fourth proportional to 12,311.22, 18,466.80 and 4,520.04 is: 6,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311.22 : 18,466.80 = 4,520.04 : x
  2. Step 2: Convert to fraction form
    12,311.22/18,466.80 = 4,520.04/x
  3. Step 3: Cross multiply
    12,311.22x = 18,466.80 × 4,520.04
  4. Step 4: Simplify right side
    12,311.22x = 83,470,674.67
  5. Step 5: Solve for x
    x = 83,470,674.67/12,311.22
  6. Step 6: Final answer
    x = 6,780.05

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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.