Home / 10,995.55-16,495.85-3,600.65

Finding the Fourth Proportional to 10,995.55, 16,495.85 and 3,600.65

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Solution

The fourth proportional to 10,995.55, 16,495.85 and 3,600.65 is: 5,401.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.55 : 16,495.85 = 3,600.65 : x
  2. Step 2: Convert to fraction form
    10,995.55/16,495.85 = 3,600.65/x
  3. Step 3: Cross multiply
    10,995.55x = 16,495.85 × 3,600.65
  4. Step 4: Simplify right side
    10,995.55x = 59,395,832.54
  5. Step 5: Solve for x
    x = 59,395,832.54/10,995.55
  6. Step 6: Final answer
    x = 5,401.81

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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.