Home / 11,110.54-16,666.69-3,715.04

Finding the Fourth Proportional to 11,110.54, 16,666.69 and 3,715.04

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Solution

The fourth proportional to 11,110.54, 16,666.69 and 3,715.04 is: 5,572.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.54 : 16,666.69 = 3,715.04 : x
  2. Step 2: Convert to fraction form
    11,110.54/16,666.69 = 3,715.04/x
  3. Step 3: Cross multiply
    11,110.54x = 16,666.69 × 3,715.04
  4. Step 4: Simplify right side
    11,110.54x = 61,917,345.97
  5. Step 5: Solve for x
    x = 61,917,345.97/11,110.54
  6. Step 6: Final answer
    x = 5,572.85

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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.