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Finding the Fourth Proportional to 11,224.76, 16,813.02 and 9,106.88

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Solution

The fourth proportional to 11,224.76, 16,813.02 and 9,106.88 is: 13,640.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.76 : 16,813.02 = 9,106.88 : x
  2. Step 2: Convert to fraction form
    11,224.76/16,813.02 = 9,106.88/x
  3. Step 3: Cross multiply
    11,224.76x = 16,813.02 × 9,106.88
  4. Step 4: Simplify right side
    11,224.76x = 153,114,155.58
  5. Step 5: Solve for x
    x = 153,114,155.58/11,224.76
  6. Step 6: Final answer
    x = 13,640.75

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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.