Home / 11,966.16-17,933.61-7,461.36

Finding the Fourth Proportional to 11,966.16, 17,933.61 and 7,461.36

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Solution

The fourth proportional to 11,966.16, 17,933.61 and 7,461.36 is: 11,182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,966.16 : 17,933.61 = 7,461.36 : x
  2. Step 2: Convert to fraction form
    11,966.16/17,933.61 = 7,461.36/x
  3. Step 3: Cross multiply
    11,966.16x = 17,933.61 × 7,461.36
  4. Step 4: Simplify right side
    11,966.16x = 133,809,120.31
  5. Step 5: Solve for x
    x = 133,809,120.31/11,966.16
  6. Step 6: Final answer
    x = 11,182.29

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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.