Home / 12,213.67-18,308.12-4,823.33

Finding the Fourth Proportional to 12,213.67, 18,308.12 and 4,823.33

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Solution

The fourth proportional to 12,213.67, 18,308.12 and 4,823.33 is: 7,230.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,213.67 : 18,308.12 = 4,823.33 : x
  2. Step 2: Convert to fraction form
    12,213.67/18,308.12 = 4,823.33/x
  3. Step 3: Cross multiply
    12,213.67x = 18,308.12 × 4,823.33
  4. Step 4: Simplify right side
    12,213.67x = 88,306,080.32
  5. Step 5: Solve for x
    x = 88,306,080.32/12,213.67
  6. Step 6: Final answer
    x = 7,230.10

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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.