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Finding the Fourth Proportional to 11,753.80, 16,222.98 and 7,554.76

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Solution

The fourth proportional to 11,753.80, 16,222.98 and 7,554.76 is: 10,427.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,753.80 : 16,222.98 = 7,554.76 : x
  2. Step 2: Convert to fraction form
    11,753.80/16,222.98 = 7,554.76/x
  3. Step 3: Cross multiply
    11,753.80x = 16,222.98 × 7,554.76
  4. Step 4: Simplify right side
    11,753.80x = 122,560,720.38
  5. Step 5: Solve for x
    x = 122,560,720.38/11,753.80
  6. Step 6: Final answer
    x = 10,427.33

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Half scale
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Double scale
Find fourth proportional to 11,754.80, 16,224.36 and 7,555.76
Similar ratio
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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.