Home / 10,840.37-16,255.95-3,442.85

Finding the Fourth Proportional to 10,840.37, 16,255.95 and 3,442.85

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Solution

The fourth proportional to 10,840.37, 16,255.95 and 3,442.85 is: 5,162.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,840.37 : 16,255.95 = 3,442.85 : x
  2. Step 2: Convert to fraction form
    10,840.37/16,255.95 = 3,442.85/x
  3. Step 3: Cross multiply
    10,840.37x = 16,255.95 × 3,442.85
  4. Step 4: Simplify right side
    10,840.37x = 55,966,716.18
  5. Step 5: Solve for x
    x = 55,966,716.18/10,840.37
  6. Step 6: Final answer
    x = 5,162.81

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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.