Home / 12,208.83-18,318.99-8,466.33

Finding the Fourth Proportional to 12,208.83, 18,318.99 and 8,466.33

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Solution

The fourth proportional to 12,208.83, 18,318.99 and 8,466.33 is: 12,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.83 : 18,318.99 = 8,466.33 : x
  2. Step 2: Convert to fraction form
    12,208.83/18,318.99 = 8,466.33/x
  3. Step 3: Cross multiply
    12,208.83x = 18,318.99 × 8,466.33
  4. Step 4: Simplify right side
    12,208.83x = 155,094,614.61
  5. Step 5: Solve for x
    x = 155,094,614.61/12,208.83
  6. Step 6: Final answer
    x = 12,703.48

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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.