Home / 9,321.04-12,868.86-5,965.30

Finding the Fourth Proportional to 9,321.04, 12,868.86 and 5,965.30

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Solution

The fourth proportional to 9,321.04, 12,868.86 and 5,965.30 is: 8,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.04 : 12,868.86 = 5,965.30 : x
  2. Step 2: Convert to fraction form
    9,321.04/12,868.86 = 5,965.30/x
  3. Step 3: Cross multiply
    9,321.04x = 12,868.86 × 5,965.30
  4. Step 4: Simplify right side
    9,321.04x = 76,766,610.56
  5. Step 5: Solve for x
    x = 76,766,610.56/9,321.04
  6. Step 6: Final answer
    x = 8,235.84

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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.