Home / 11,726.40-17,586.96-3,406.32

Finding the Fourth Proportional to 11,726.40, 17,586.96 and 3,406.32

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Solution

The fourth proportional to 11,726.40, 17,586.96 and 3,406.32 is: 5,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,726.40 : 17,586.96 = 3,406.32 : x
  2. Step 2: Convert to fraction form
    11,726.40/17,586.96 = 3,406.32/x
  3. Step 3: Cross multiply
    11,726.40x = 17,586.96 × 3,406.32
  4. Step 4: Simplify right side
    11,726.40x = 59,906,813.59
  5. Step 5: Solve for x
    x = 59,906,813.59/11,726.40
  6. Step 6: Final answer
    x = 5,108.71

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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.