Home / 9,778.09-13,493.40-5,796.82

Finding the Fourth Proportional to 9,778.09, 13,493.40 and 5,796.82

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Solution

The fourth proportional to 9,778.09, 13,493.40 and 5,796.82 is: 7,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778.09 : 13,493.40 = 5,796.82 : x
  2. Step 2: Convert to fraction form
    9,778.09/13,493.40 = 5,796.82/x
  3. Step 3: Cross multiply
    9,778.09x = 13,493.40 × 5,796.82
  4. Step 4: Simplify right side
    9,778.09x = 78,218,810.99
  5. Step 5: Solve for x
    x = 78,218,810.99/9,778.09
  6. Step 6: Final answer
    x = 7,999.40

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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.