Home / 11,511.61-17,263.49-4,491.07

Finding the Fourth Proportional to 11,511.61, 17,263.49 and 4,491.07

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Solution

The fourth proportional to 11,511.61, 17,263.49 and 4,491.07 is: 6,735.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511.61 : 17,263.49 = 4,491.07 : x
  2. Step 2: Convert to fraction form
    11,511.61/17,263.49 = 4,491.07/x
  3. Step 3: Cross multiply
    11,511.61x = 17,263.49 × 4,491.07
  4. Step 4: Simplify right side
    11,511.61x = 77,531,542.03
  5. Step 5: Solve for x
    x = 77,531,542.03/11,511.61
  6. Step 6: Final answer
    x = 6,735.07

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1.5x scale

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.