Home / 10,828.96-16,206-6,667.36

Finding the Fourth Proportional to 10,828.96, 16,206 and 6,667.36

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Solution

The fourth proportional to 10,828.96, 16,206 and 6,667.36 is: 9,977.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.96 : 16,206 = 6,667.36 : x
  2. Step 2: Convert to fraction form
    10,828.96/16,206 = 6,667.36/x
  3. Step 3: Cross multiply
    10,828.96x = 16,206 × 6,667.36
  4. Step 4: Simplify right side
    10,828.96x = 108,051,236.16
  5. Step 5: Solve for x
    x = 108,051,236.16/10,828.96
  6. Step 6: Final answer
    x = 9,977.99

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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.