Home / 12,511.50-17,265.99-6,922.62

Finding the Fourth Proportional to 12,511.50, 17,265.99 and 6,922.62

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Solution

The fourth proportional to 12,511.50, 17,265.99 and 6,922.62 is: 9,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,511.50 : 17,265.99 = 6,922.62 : x
  2. Step 2: Convert to fraction form
    12,511.50/17,265.99 = 6,922.62/x
  3. Step 3: Cross multiply
    12,511.50x = 17,265.99 × 6,922.62
  4. Step 4: Simplify right side
    12,511.50x = 119,525,887.69
  5. Step 5: Solve for x
    x = 119,525,887.69/12,511.50
  6. Step 6: Final answer
    x = 9,553.28

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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.