Home / 11,111.10-16,667.54-3,715.60

Finding the Fourth Proportional to 11,111.10, 16,667.54 and 3,715.60

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Solution

The fourth proportional to 11,111.10, 16,667.54 and 3,715.60 is: 5,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.10 : 16,667.54 = 3,715.60 : x
  2. Step 2: Convert to fraction form
    11,111.10/16,667.54 = 3,715.60/x
  3. Step 3: Cross multiply
    11,111.10x = 16,667.54 × 3,715.60
  4. Step 4: Simplify right side
    11,111.10x = 61,929,911.62
  5. Step 5: Solve for x
    x = 61,929,911.62/11,111.10
  6. Step 6: Final answer
    x = 5,573.70

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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.