Home / 11,972.81-17,966.37-4,952.90

Finding the Fourth Proportional to 11,972.81, 17,966.37 and 4,952.90

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Solution

The fourth proportional to 11,972.81, 17,966.37 and 4,952.90 is: 7,432.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.81 : 17,966.37 = 4,952.90 : x
  2. Step 2: Convert to fraction form
    11,972.81/17,966.37 = 4,952.90/x
  3. Step 3: Cross multiply
    11,972.81x = 17,966.37 × 4,952.90
  4. Step 4: Simplify right side
    11,972.81x = 88,985,633.97
  5. Step 5: Solve for x
    x = 88,985,633.97/11,972.81
  6. Step 6: Final answer
    x = 7,432.31

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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.