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Finding the Fourth Proportional to 11,259, 16,806.06 and 9,928.95

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Solution

The fourth proportional to 11,259, 16,806.06 and 9,928.95 is: 14,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259 : 16,806.06 = 9,928.95 : x
  2. Step 2: Convert to fraction form
    11,259/16,806.06 = 9,928.95/x
  3. Step 3: Cross multiply
    11,259x = 16,806.06 × 9,928.95
  4. Step 4: Simplify right side
    11,259x = 166,866,529.44
  5. Step 5: Solve for x
    x = 166,866,529.44/11,259
  6. Step 6: Final answer
    x = 14,820.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.