Home / 8,450.27-11,661.81-4,865.76

Finding the Fourth Proportional to 8,450.27, 11,661.81 and 4,865.76

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Solution

The fourth proportional to 8,450.27, 11,661.81 and 4,865.76 is: 6,715.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.27 : 11,661.81 = 4,865.76 : x
  2. Step 2: Convert to fraction form
    8,450.27/11,661.81 = 4,865.76/x
  3. Step 3: Cross multiply
    8,450.27x = 11,661.81 × 4,865.76
  4. Step 4: Simplify right side
    8,450.27x = 56,743,568.63
  5. Step 5: Solve for x
    x = 56,743,568.63/8,450.27
  6. Step 6: Final answer
    x = 6,715.00

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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.