Home / 9,930.72-13,704.48-5,949.84

Finding the Fourth Proportional to 9,930.72, 13,704.48 and 5,949.84

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Solution

The fourth proportional to 9,930.72, 13,704.48 and 5,949.84 is: 8,210.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.72 : 13,704.48 = 5,949.84 : x
  2. Step 2: Convert to fraction form
    9,930.72/13,704.48 = 5,949.84/x
  3. Step 3: Cross multiply
    9,930.72x = 13,704.48 × 5,949.84
  4. Step 4: Simplify right side
    9,930.72x = 81,539,463.28
  5. Step 5: Solve for x
    x = 81,539,463.28/9,930.72
  6. Step 6: Final answer
    x = 8,210.83

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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.