Home / 9,983.04-14,972.64-3,408.54

Finding the Fourth Proportional to 9,983.04, 14,972.64 and 3,408.54

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Solution

The fourth proportional to 9,983.04, 14,972.64 and 3,408.54 is: 5,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.04 : 14,972.64 = 3,408.54 : x
  2. Step 2: Convert to fraction form
    9,983.04/14,972.64 = 3,408.54/x
  3. Step 3: Cross multiply
    9,983.04x = 14,972.64 × 3,408.54
  4. Step 4: Simplify right side
    9,983.04x = 51,034,842.35
  5. Step 5: Solve for x
    x = 51,034,842.35/9,983.04
  6. Step 6: Final answer
    x = 5,112.15

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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.