Home / 8,773.44-12,111.60-5,634.96

Finding the Fourth Proportional to 8,773.44, 12,111.60 and 5,634.96

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Solution

The fourth proportional to 8,773.44, 12,111.60 and 5,634.96 is: 7,778.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.44 : 12,111.60 = 5,634.96 : x
  2. Step 2: Convert to fraction form
    8,773.44/12,111.60 = 5,634.96/x
  3. Step 3: Cross multiply
    8,773.44x = 12,111.60 × 5,634.96
  4. Step 4: Simplify right side
    8,773.44x = 68,248,381.54
  5. Step 5: Solve for x
    x = 68,248,381.54/8,773.44
  6. Step 6: Final answer
    x = 7,778.98

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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.