Home / 11,960.30-16,511.20-9,265.52

Finding the Fourth Proportional to 11,960.30, 16,511.20 and 9,265.52

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Solution

The fourth proportional to 11,960.30, 16,511.20 and 9,265.52 is: 12,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,960.30 : 16,511.20 = 9,265.52 : x
  2. Step 2: Convert to fraction form
    11,960.30/16,511.20 = 9,265.52/x
  3. Step 3: Cross multiply
    11,960.30x = 16,511.20 × 9,265.52
  4. Step 4: Simplify right side
    11,960.30x = 152,984,853.82
  5. Step 5: Solve for x
    x = 152,984,853.82/11,960.30
  6. Step 6: Final answer
    x = 12,791.05

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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.