Home / 8,766.09-12,096.75-4,989.18

Finding the Fourth Proportional to 8,766.09, 12,096.75 and 4,989.18

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Solution

The fourth proportional to 8,766.09, 12,096.75 and 4,989.18 is: 6,884.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.09 : 12,096.75 = 4,989.18 : x
  2. Step 2: Convert to fraction form
    8,766.09/12,096.75 = 4,989.18/x
  3. Step 3: Cross multiply
    8,766.09x = 12,096.75 × 4,989.18
  4. Step 4: Simplify right side
    8,766.09x = 60,352,863.17
  5. Step 5: Solve for x
    x = 60,352,863.17/8,766.09
  6. Step 6: Final answer
    x = 6,884.81

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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.