Home / 12,340.68-18,502.80-6,796.62

Finding the Fourth Proportional to 12,340.68, 18,502.80 and 6,796.62

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Solution

The fourth proportional to 12,340.68, 18,502.80 and 6,796.62 is: 10,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.68 : 18,502.80 = 6,796.62 : x
  2. Step 2: Convert to fraction form
    12,340.68/18,502.80 = 6,796.62/x
  3. Step 3: Cross multiply
    12,340.68x = 18,502.80 × 6,796.62
  4. Step 4: Simplify right side
    12,340.68x = 125,756,500.54
  5. Step 5: Solve for x
    x = 125,756,500.54/12,340.68
  6. Step 6: Final answer
    x = 10,190.40

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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.