Home / 12,355.05-18,542.32-4,566.09

Finding the Fourth Proportional to 12,355.05, 18,542.32 and 4,566.09

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Solution

The fourth proportional to 12,355.05, 18,542.32 and 4,566.09 is: 6,852.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.05 : 18,542.32 = 4,566.09 : x
  2. Step 2: Convert to fraction form
    12,355.05/18,542.32 = 4,566.09/x
  3. Step 3: Cross multiply
    12,355.05x = 18,542.32 × 4,566.09
  4. Step 4: Simplify right side
    12,355.05x = 84,665,879.10
  5. Step 5: Solve for x
    x = 84,665,879.10/12,355.05
  6. Step 6: Final answer
    x = 6,852.73

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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.