Home / 11,209.32-16,828.86-9,576.36

Finding the Fourth Proportional to 11,209.32, 16,828.86 and 9,576.36

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Solution

The fourth proportional to 11,209.32, 16,828.86 and 9,576.36 is: 14,377.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.32 : 16,828.86 = 9,576.36 : x
  2. Step 2: Convert to fraction form
    11,209.32/16,828.86 = 9,576.36/x
  3. Step 3: Cross multiply
    11,209.32x = 16,828.86 × 9,576.36
  4. Step 4: Simplify right side
    11,209.32x = 161,159,221.75
  5. Step 5: Solve for x
    x = 161,159,221.75/11,209.32
  6. Step 6: Final answer
    x = 14,377.25

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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.