Home / 10,739.50-14,821.83-6,760.55

Finding the Fourth Proportional to 10,739.50, 14,821.83 and 6,760.55

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Solution

The fourth proportional to 10,739.50, 14,821.83 and 6,760.55 is: 9,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,739.50 : 14,821.83 = 6,760.55 : x
  2. Step 2: Convert to fraction form
    10,739.50/14,821.83 = 6,760.55/x
  3. Step 3: Cross multiply
    10,739.50x = 14,821.83 × 6,760.55
  4. Step 4: Simplify right side
    10,739.50x = 100,203,759.86
  5. Step 5: Solve for x
    x = 100,203,759.86/10,739.50
  6. Step 6: Final answer
    x = 9,330.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.