Home / 12,305.25-18,464.22-6,762.96

Finding the Fourth Proportional to 12,305.25, 18,464.22 and 6,762.96

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Solution

The fourth proportional to 12,305.25, 18,464.22 and 6,762.96 is: 10,147.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305.25 : 18,464.22 = 6,762.96 : x
  2. Step 2: Convert to fraction form
    12,305.25/18,464.22 = 6,762.96/x
  3. Step 3: Cross multiply
    12,305.25x = 18,464.22 × 6,762.96
  4. Step 4: Simplify right side
    12,305.25x = 124,872,781.29
  5. Step 5: Solve for x
    x = 124,872,781.29/12,305.25
  6. Step 6: Final answer
    x = 10,147.93

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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.