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Finding the Fourth Proportional to 8,775.77, 12,110.63 and 4,796.96

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Solution

The fourth proportional to 8,775.77, 12,110.63 and 4,796.96 is: 6,619.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.77 : 12,110.63 = 4,796.96 : x
  2. Step 2: Convert to fraction form
    8,775.77/12,110.63 = 4,796.96/x
  3. Step 3: Cross multiply
    8,775.77x = 12,110.63 × 4,796.96
  4. Step 4: Simplify right side
    8,775.77x = 58,094,123.15
  5. Step 5: Solve for x
    x = 58,094,123.15/8,775.77
  6. Step 6: Final answer
    x = 6,619.84

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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.