Home / 12,362.85-17,059.89-6,911.57

Finding the Fourth Proportional to 12,362.85, 17,059.89 and 6,911.57

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Solution

The fourth proportional to 12,362.85, 17,059.89 and 6,911.57 is: 9,537.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362.85 : 17,059.89 = 6,911.57 : x
  2. Step 2: Convert to fraction form
    12,362.85/17,059.89 = 6,911.57/x
  3. Step 3: Cross multiply
    12,362.85x = 17,059.89 × 6,911.57
  4. Step 4: Simplify right side
    12,362.85x = 117,910,553.10
  5. Step 5: Solve for x
    x = 117,910,553.10/12,362.85
  6. Step 6: Final answer
    x = 9,537.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.