Home / 9,786.80-13,505.16-5,594.96

Finding the Fourth Proportional to 9,786.80, 13,505.16 and 5,594.96

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Solution

The fourth proportional to 9,786.80, 13,505.16 and 5,594.96 is: 7,720.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.80 : 13,505.16 = 5,594.96 : x
  2. Step 2: Convert to fraction form
    9,786.80/13,505.16 = 5,594.96/x
  3. Step 3: Cross multiply
    9,786.80x = 13,505.16 × 5,594.96
  4. Step 4: Simplify right side
    9,786.80x = 75,560,829.99
  5. Step 5: Solve for x
    x = 75,560,829.99/9,786.80
  6. Step 6: Final answer
    x = 7,720.69

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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.