Home / 9,890.36-14,828.54-4,956.48

Finding the Fourth Proportional to 9,890.36, 14,828.54 and 4,956.48

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Solution

The fourth proportional to 9,890.36, 14,828.54 and 4,956.48 is: 7,431.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890.36 : 14,828.54 = 4,956.48 : x
  2. Step 2: Convert to fraction form
    9,890.36/14,828.54 = 4,956.48/x
  3. Step 3: Cross multiply
    9,890.36x = 14,828.54 × 4,956.48
  4. Step 4: Simplify right side
    9,890.36x = 73,497,361.94
  5. Step 5: Solve for x
    x = 73,497,361.94/9,890.36
  6. Step 6: Final answer
    x = 7,431.21

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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.