Home / 8,739.58-13,109.49-5,796.88

Finding the Fourth Proportional to 8,739.58, 13,109.49 and 5,796.88

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Solution

The fourth proportional to 8,739.58, 13,109.49 and 5,796.88 is: 8,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.58 : 13,109.49 = 5,796.88 : x
  2. Step 2: Convert to fraction form
    8,739.58/13,109.49 = 5,796.88/x
  3. Step 3: Cross multiply
    8,739.58x = 13,109.49 × 5,796.88
  4. Step 4: Simplify right side
    8,739.58x = 75,994,140.39
  5. Step 5: Solve for x
    x = 75,994,140.39/8,739.58
  6. Step 6: Final answer
    x = 8,695.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.