Home / 11,720.53-17,563.18-4,693.59

Finding the Fourth Proportional to 11,720.53, 17,563.18 and 4,693.59

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Solution

The fourth proportional to 11,720.53, 17,563.18 and 4,693.59 is: 7,033.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.53 : 17,563.18 = 4,693.59 : x
  2. Step 2: Convert to fraction form
    11,720.53/17,563.18 = 4,693.59/x
  3. Step 3: Cross multiply
    11,720.53x = 17,563.18 × 4,693.59
  4. Step 4: Simplify right side
    11,720.53x = 82,434,366.02
  5. Step 5: Solve for x
    x = 82,434,366.02/11,720.53
  6. Step 6: Final answer
    x = 7,033.33

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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.