Home / 11,410.58-17,115.85-8,310.31

Finding the Fourth Proportional to 11,410.58, 17,115.85 and 8,310.31

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Solution

The fourth proportional to 11,410.58, 17,115.85 and 8,310.31 is: 12,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,410.58 : 17,115.85 = 8,310.31 : x
  2. Step 2: Convert to fraction form
    11,410.58/17,115.85 = 8,310.31/x
  3. Step 3: Cross multiply
    11,410.58x = 17,115.85 × 8,310.31
  4. Step 4: Simplify right side
    11,410.58x = 142,238,019.41
  5. Step 5: Solve for x
    x = 142,238,019.41/11,410.58
  6. Step 6: Final answer
    x = 12,465.45

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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.