Home / 11,133.33-16,688.90-5,569.69

Finding the Fourth Proportional to 11,133.33, 16,688.90 and 5,569.69

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Solution

The fourth proportional to 11,133.33, 16,688.90 and 5,569.69 is: 8,348.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.33 : 16,688.90 = 5,569.69 : x
  2. Step 2: Convert to fraction form
    11,133.33/16,688.90 = 5,569.69/x
  3. Step 3: Cross multiply
    11,133.33x = 16,688.90 × 5,569.69
  4. Step 4: Simplify right side
    11,133.33x = 92,951,999.44
  5. Step 5: Solve for x
    x = 92,951,999.44/11,133.33
  6. Step 6: Final answer
    x = 8,348.98

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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.