Home / 10,856.44-16,285.85-3,458.30

Finding the Fourth Proportional to 10,856.44, 16,285.85 and 3,458.30

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Solution

The fourth proportional to 10,856.44, 16,285.85 and 3,458.30 is: 5,187.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.44 : 16,285.85 = 3,458.30 : x
  2. Step 2: Convert to fraction form
    10,856.44/16,285.85 = 3,458.30/x
  3. Step 3: Cross multiply
    10,856.44x = 16,285.85 × 3,458.30
  4. Step 4: Simplify right side
    10,856.44x = 56,321,355.06
  5. Step 5: Solve for x
    x = 56,321,355.06/10,856.44
  6. Step 6: Final answer
    x = 5,187.83

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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.