Home / 10,755.45-16,133.94-4,509.18

Finding the Fourth Proportional to 10,755.45, 16,133.94 and 4,509.18

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Solution

The fourth proportional to 10,755.45, 16,133.94 and 4,509.18 is: 6,764.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,755.45 : 16,133.94 = 4,509.18 : x
  2. Step 2: Convert to fraction form
    10,755.45/16,133.94 = 4,509.18/x
  3. Step 3: Cross multiply
    10,755.45x = 16,133.94 × 4,509.18
  4. Step 4: Simplify right side
    10,755.45x = 72,750,839.57
  5. Step 5: Solve for x
    x = 72,750,839.57/10,755.45
  6. Step 6: Final answer
    x = 6,764.09

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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.