Home / 11,205.50-16,810.79-3,709.04

Finding the Fourth Proportional to 11,205.50, 16,810.79 and 3,709.04

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Solution

The fourth proportional to 11,205.50, 16,810.79 and 3,709.04 is: 5,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.50 : 16,810.79 = 3,709.04 : x
  2. Step 2: Convert to fraction form
    11,205.50/16,810.79 = 3,709.04/x
  3. Step 3: Cross multiply
    11,205.50x = 16,810.79 × 3,709.04
  4. Step 4: Simplify right side
    11,205.50x = 62,351,916.02
  5. Step 5: Solve for x
    x = 62,351,916.02/11,205.50
  6. Step 6: Final answer
    x = 5,564.40

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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.