Home / 12,796.92-19,191.64-4,475.40

Finding the Fourth Proportional to 12,796.92, 19,191.64 and 4,475.40

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Solution

The fourth proportional to 12,796.92, 19,191.64 and 4,475.40 is: 6,711.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796.92 : 19,191.64 = 4,475.40 : x
  2. Step 2: Convert to fraction form
    12,796.92/19,191.64 = 4,475.40/x
  3. Step 3: Cross multiply
    12,796.92x = 19,191.64 × 4,475.40
  4. Step 4: Simplify right side
    12,796.92x = 85,890,265.66
  5. Step 5: Solve for x
    x = 85,890,265.66/12,796.92
  6. Step 6: Final answer
    x = 6,711.79

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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.