Home / 11,720.63-17,589.42-4,605.93

Finding the Fourth Proportional to 11,720.63, 17,589.42 and 4,605.93

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Solution

The fourth proportional to 11,720.63, 17,589.42 and 4,605.93 is: 6,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.63 : 17,589.42 = 4,605.93 : x
  2. Step 2: Convert to fraction form
    11,720.63/17,589.42 = 4,605.93/x
  3. Step 3: Cross multiply
    11,720.63x = 17,589.42 × 4,605.93
  4. Step 4: Simplify right side
    11,720.63x = 81,015,637.26
  5. Step 5: Solve for x
    x = 81,015,637.26/11,720.63
  6. Step 6: Final answer
    x = 6,912.22

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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.