Home / 8,450.06-11,660.05-4,672.71

Finding the Fourth Proportional to 8,450.06, 11,660.05 and 4,672.71

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Solution

The fourth proportional to 8,450.06, 11,660.05 and 4,672.71 is: 6,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.06 : 11,660.05 = 4,672.71 : x
  2. Step 2: Convert to fraction form
    8,450.06/11,660.05 = 4,672.71/x
  3. Step 3: Cross multiply
    8,450.06x = 11,660.05 × 4,672.71
  4. Step 4: Simplify right side
    8,450.06x = 54,484,032.24
  5. Step 5: Solve for x
    x = 54,484,032.24/8,450.06
  6. Step 6: Final answer
    x = 6,447.77

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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.