Home / 12,359.87-18,542.96-3,594.79

Finding the Fourth Proportional to 12,359.87, 18,542.96 and 3,594.79

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Solution

The fourth proportional to 12,359.87, 18,542.96 and 3,594.79 is: 5,393.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.87 : 18,542.96 = 3,594.79 : x
  2. Step 2: Convert to fraction form
    12,359.87/18,542.96 = 3,594.79/x
  3. Step 3: Cross multiply
    12,359.87x = 18,542.96 × 3,594.79
  4. Step 4: Simplify right side
    12,359.87x = 66,657,961.56
  5. Step 5: Solve for x
    x = 66,657,961.56/12,359.87
  6. Step 6: Final answer
    x = 5,393.09

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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.