Home / 10,853.64-16,280.46-3,460.37

Finding the Fourth Proportional to 10,853.64, 16,280.46 and 3,460.37

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Solution

The fourth proportional to 10,853.64, 16,280.46 and 3,460.37 is: 5,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853.64 : 16,280.46 = 3,460.37 : x
  2. Step 2: Convert to fraction form
    10,853.64/16,280.46 = 3,460.37/x
  3. Step 3: Cross multiply
    10,853.64x = 16,280.46 × 3,460.37
  4. Step 4: Simplify right side
    10,853.64x = 56,336,415.37
  5. Step 5: Solve for x
    x = 56,336,415.37/10,853.64
  6. Step 6: Final answer
    x = 5,190.56

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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.