Home / 8,811.81-12,160.31-4,832.95

Finding the Fourth Proportional to 8,811.81, 12,160.31 and 4,832.95

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Solution

The fourth proportional to 8,811.81, 12,160.31 and 4,832.95 is: 6,669.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.81 : 12,160.31 = 4,832.95 : x
  2. Step 2: Convert to fraction form
    8,811.81/12,160.31 = 4,832.95/x
  3. Step 3: Cross multiply
    8,811.81x = 12,160.31 × 4,832.95
  4. Step 4: Simplify right side
    8,811.81x = 58,770,170.21
  5. Step 5: Solve for x
    x = 58,770,170.21/8,811.81
  6. Step 6: Final answer
    x = 6,669.48

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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.