Home / 9,961.84-14,939.28-2,939.99

Finding the Fourth Proportional to 9,961.84, 14,939.28 and 2,939.99

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Solution

The fourth proportional to 9,961.84, 14,939.28 and 2,939.99 is: 4,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.84 : 14,939.28 = 2,939.99 : x
  2. Step 2: Convert to fraction form
    9,961.84/14,939.28 = 2,939.99/x
  3. Step 3: Cross multiply
    9,961.84x = 14,939.28 × 2,939.99
  4. Step 4: Simplify right side
    9,961.84x = 43,921,333.81
  5. Step 5: Solve for x
    x = 43,921,333.81/9,961.84
  6. Step 6: Final answer
    x = 4,408.96

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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.