Home / 11,005.10-16,529.68-6,571.42

Finding the Fourth Proportional to 11,005.10, 16,529.68 and 6,571.42

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Solution

The fourth proportional to 11,005.10, 16,529.68 and 6,571.42 is: 9,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.10 : 16,529.68 = 6,571.42 : x
  2. Step 2: Convert to fraction form
    11,005.10/16,529.68 = 6,571.42/x
  3. Step 3: Cross multiply
    11,005.10x = 16,529.68 × 6,571.42
  4. Step 4: Simplify right side
    11,005.10x = 108,623,469.75
  5. Step 5: Solve for x
    x = 108,623,469.75/11,005.10
  6. Step 6: Final answer
    x = 9,870.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.