Home / 10,899.63-16,349.59-3,108.44

Finding the Fourth Proportional to 10,899.63, 16,349.59 and 3,108.44

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Solution

The fourth proportional to 10,899.63, 16,349.59 and 3,108.44 is: 4,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,899.63 : 16,349.59 = 3,108.44 : x
  2. Step 2: Convert to fraction form
    10,899.63/16,349.59 = 3,108.44/x
  3. Step 3: Cross multiply
    10,899.63x = 16,349.59 × 3,108.44
  4. Step 4: Simplify right side
    10,899.63x = 50,821,719.54
  5. Step 5: Solve for x
    x = 50,821,719.54/10,899.63
  6. Step 6: Final answer
    x = 4,662.70

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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.