Home / 11,827.56-16,321.80-6,450.04

Finding the Fourth Proportional to 11,827.56, 16,321.80 and 6,450.04

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Solution

The fourth proportional to 11,827.56, 16,321.80 and 6,450.04 is: 8,900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827.56 : 16,321.80 = 6,450.04 : x
  2. Step 2: Convert to fraction form
    11,827.56/16,321.80 = 6,450.04/x
  3. Step 3: Cross multiply
    11,827.56x = 16,321.80 × 6,450.04
  4. Step 4: Simplify right side
    11,827.56x = 105,276,262.87
  5. Step 5: Solve for x
    x = 105,276,262.87/11,827.56
  6. Step 6: Final answer
    x = 8,900.93

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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.