Home / 11,720.51-17,576.54-3,927.53

Finding the Fourth Proportional to 11,720.51, 17,576.54 and 3,927.53

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Solution

The fourth proportional to 11,720.51, 17,576.54 and 3,927.53 is: 5,889.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.51 : 17,576.54 = 3,927.53 : x
  2. Step 2: Convert to fraction form
    11,720.51/17,576.54 = 3,927.53/x
  3. Step 3: Cross multiply
    11,720.51x = 17,576.54 × 3,927.53
  4. Step 4: Simplify right side
    11,720.51x = 69,032,368.51
  5. Step 5: Solve for x
    x = 69,032,368.51/11,720.51
  6. Step 6: Final answer
    x = 5,889.88

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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.