Home / 10,755.59-16,119.81-4,512.38

Finding the Fourth Proportional to 10,755.59, 16,119.81 and 4,512.38

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Solution

The fourth proportional to 10,755.59, 16,119.81 and 4,512.38 is: 6,762.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,755.59 : 16,119.81 = 4,512.38 : x
  2. Step 2: Convert to fraction form
    10,755.59/16,119.81 = 4,512.38/x
  3. Step 3: Cross multiply
    10,755.59x = 16,119.81 × 4,512.38
  4. Step 4: Simplify right side
    10,755.59x = 72,738,627.65
  5. Step 5: Solve for x
    x = 72,738,627.65/10,755.59
  6. Step 6: Final answer
    x = 6,762.87

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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.