Home / 13,180.70-19,766.97-6,937.32

Finding the Fourth Proportional to 13,180.70, 19,766.97 and 6,937.32

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Solution

The fourth proportional to 13,180.70, 19,766.97 and 6,937.32 is: 10,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.70 : 19,766.97 = 6,937.32 : x
  2. Step 2: Convert to fraction form
    13,180.70/19,766.97 = 6,937.32/x
  3. Step 3: Cross multiply
    13,180.70x = 19,766.97 × 6,937.32
  4. Step 4: Simplify right side
    13,180.70x = 137,129,796.32
  5. Step 5: Solve for x
    x = 137,129,796.32/13,180.70
  6. Step 6: Final answer
    x = 10,403.84

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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.