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Finding the Fourth Proportional to 11,796.76, 16,280.58 and 6,762.76

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Solution

The fourth proportional to 11,796.76, 16,280.58 and 6,762.76 is: 9,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,796.76 : 16,280.58 = 6,762.76 : x
  2. Step 2: Convert to fraction form
    11,796.76/16,280.58 = 6,762.76/x
  3. Step 3: Cross multiply
    11,796.76x = 16,280.58 × 6,762.76
  4. Step 4: Simplify right side
    11,796.76x = 110,101,655.20
  5. Step 5: Solve for x
    x = 110,101,655.20/11,796.76
  6. Step 6: Final answer
    x = 9,333.21

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Half scale
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Double scale
Find fourth proportional to 11,797.76, 16,281.96 and 6,763.76
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.