Home / 11,209.47-16,816.43-3,204.32

Finding the Fourth Proportional to 11,209.47, 16,816.43 and 3,204.32

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Solution

The fourth proportional to 11,209.47, 16,816.43 and 3,204.32 is: 4,807.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.47 : 16,816.43 = 3,204.32 : x
  2. Step 2: Convert to fraction form
    11,209.47/16,816.43 = 3,204.32/x
  3. Step 3: Cross multiply
    11,209.47x = 16,816.43 × 3,204.32
  4. Step 4: Simplify right side
    11,209.47x = 53,885,134.89
  5. Step 5: Solve for x
    x = 53,885,134.89/11,209.47
  6. Step 6: Final answer
    x = 4,807.11

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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.