Home / 12,340.93-18,503.16-6,796.90

Finding the Fourth Proportional to 12,340.93, 18,503.16 and 6,796.90

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Solution

The fourth proportional to 12,340.93, 18,503.16 and 6,796.90 is: 10,190.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.93 : 18,503.16 = 6,796.90 : x
  2. Step 2: Convert to fraction form
    12,340.93/18,503.16 = 6,796.90/x
  3. Step 3: Cross multiply
    12,340.93x = 18,503.16 × 6,796.90
  4. Step 4: Simplify right side
    12,340.93x = 125,764,128.20
  5. Step 5: Solve for x
    x = 125,764,128.20/12,340.93
  6. Step 6: Final answer
    x = 10,190.81

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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.