Home / 11,208.56-16,823.23-5,665.79

Finding the Fourth Proportional to 11,208.56, 16,823.23 and 5,665.79

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Solution

The fourth proportional to 11,208.56, 16,823.23 and 5,665.79 is: 8,503.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.56 : 16,823.23 = 5,665.79 : x
  2. Step 2: Convert to fraction form
    11,208.56/16,823.23 = 5,665.79/x
  3. Step 3: Cross multiply
    11,208.56x = 16,823.23 × 5,665.79
  4. Step 4: Simplify right side
    11,208.56x = 95,316,916.20
  5. Step 5: Solve for x
    x = 95,316,916.20/11,208.56
  6. Step 6: Final answer
    x = 8,503.94

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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.