Home / 11,240.10-16,896.60-9,636.30

Finding the Fourth Proportional to 11,240.10, 16,896.60 and 9,636.30

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Solution

The fourth proportional to 11,240.10, 16,896.60 and 9,636.30 is: 14,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.10 : 16,896.60 = 9,636.30 : x
  2. Step 2: Convert to fraction form
    11,240.10/16,896.60 = 9,636.30/x
  3. Step 3: Cross multiply
    11,240.10x = 16,896.60 × 9,636.30
  4. Step 4: Simplify right side
    11,240.10x = 162,820,706.58
  5. Step 5: Solve for x
    x = 162,820,706.58/11,240.10
  6. Step 6: Final answer
    x = 14,485.70

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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.