Home / 8,672.13-11,966.33-4,843.81

Finding the Fourth Proportional to 8,672.13, 11,966.33 and 4,843.81

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Solution

The fourth proportional to 8,672.13, 11,966.33 and 4,843.81 is: 6,683.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672.13 : 11,966.33 = 4,843.81 : x
  2. Step 2: Convert to fraction form
    8,672.13/11,966.33 = 4,843.81/x
  3. Step 3: Cross multiply
    8,672.13x = 11,966.33 × 4,843.81
  4. Step 4: Simplify right side
    8,672.13x = 57,962,628.92
  5. Step 5: Solve for x
    x = 57,962,628.92/8,672.13
  6. Step 6: Final answer
    x = 6,683.78

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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.