Home / 11,966.16-17,957.46-4,174.98

Finding the Fourth Proportional to 11,966.16, 17,957.46 and 4,174.98

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Solution

The fourth proportional to 11,966.16, 17,957.46 and 4,174.98 is: 6,265.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,966.16 : 17,957.46 = 4,174.98 : x
  2. Step 2: Convert to fraction form
    11,966.16/17,957.46 = 4,174.98/x
  3. Step 3: Cross multiply
    11,966.16x = 17,957.46 × 4,174.98
  4. Step 4: Simplify right side
    11,966.16x = 74,972,036.35
  5. Step 5: Solve for x
    x = 74,972,036.35/11,966.16
  6. Step 6: Final answer
    x = 6,265.34

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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.