Home / 9,983.76-14,979.98-5,361.36

Finding the Fourth Proportional to 9,983.76, 14,979.98 and 5,361.36

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Solution

The fourth proportional to 9,983.76, 14,979.98 and 5,361.36 is: 8,044.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.76 : 14,979.98 = 5,361.36 : x
  2. Step 2: Convert to fraction form
    9,983.76/14,979.98 = 5,361.36/x
  3. Step 3: Cross multiply
    9,983.76x = 14,979.98 × 5,361.36
  4. Step 4: Simplify right side
    9,983.76x = 80,313,065.57
  5. Step 5: Solve for x
    x = 80,313,065.57/9,983.76
  6. Step 6: Final answer
    x = 8,044.37

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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.