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Finding the Fourth Proportional to 12,060.76, 16,644.78 and 6,757.36

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Solution

The fourth proportional to 12,060.76, 16,644.78 and 6,757.36 is: 9,325.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.76 : 16,644.78 = 6,757.36 : x
  2. Step 2: Convert to fraction form
    12,060.76/16,644.78 = 6,757.36/x
  3. Step 3: Cross multiply
    12,060.76x = 16,644.78 × 6,757.36
  4. Step 4: Simplify right side
    12,060.76x = 112,474,770.58
  5. Step 5: Solve for x
    x = 112,474,770.58/12,060.76
  6. Step 6: Final answer
    x = 9,325.68

Related Problems

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Half scale
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Double scale
Find fourth proportional to 12,061.76, 16,646.16 and 6,758.36
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.