Home / 9,995.09-13,793.13-5,518.85

Finding the Fourth Proportional to 9,995.09, 13,793.13 and 5,518.85

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Solution

The fourth proportional to 9,995.09, 13,793.13 and 5,518.85 is: 7,615.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.09 : 13,793.13 = 5,518.85 : x
  2. Step 2: Convert to fraction form
    9,995.09/13,793.13 = 5,518.85/x
  3. Step 3: Cross multiply
    9,995.09x = 13,793.13 × 5,518.85
  4. Step 4: Simplify right side
    9,995.09x = 76,122,146.53
  5. Step 5: Solve for x
    x = 76,122,146.53/9,995.09
  6. Step 6: Final answer
    x = 7,615.96

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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.