Home / 11,959.46-17,939.20-5,718

Finding the Fourth Proportional to 11,959.46, 17,939.20 and 5,718

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Solution

The fourth proportional to 11,959.46, 17,939.20 and 5,718 is: 8,577.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.46 : 17,939.20 = 5,718 : x
  2. Step 2: Convert to fraction form
    11,959.46/17,939.20 = 5,718/x
  3. Step 3: Cross multiply
    11,959.46x = 17,939.20 × 5,718
  4. Step 4: Simplify right side
    11,959.46x = 102,576,345.60
  5. Step 5: Solve for x
    x = 102,576,345.60/11,959.46
  6. Step 6: Final answer
    x = 8,577.00

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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.