Home / 12,191.04-18,297.90-4,800.60

Finding the Fourth Proportional to 12,191.04, 18,297.90 and 4,800.60

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Solution

The fourth proportional to 12,191.04, 18,297.90 and 4,800.60 is: 7,205.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,191.04 : 18,297.90 = 4,800.60 : x
  2. Step 2: Convert to fraction form
    12,191.04/18,297.90 = 4,800.60/x
  3. Step 3: Cross multiply
    12,191.04x = 18,297.90 × 4,800.60
  4. Step 4: Simplify right side
    12,191.04x = 87,840,898.74
  5. Step 5: Solve for x
    x = 87,840,898.74/12,191.04
  6. Step 6: Final answer
    x = 7,205.37

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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.