Home / 7,365.12-11,047.92-2,170.56

Finding the Fourth Proportional to 7,365.12, 11,047.92 and 2,170.56

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Solution

The fourth proportional to 7,365.12, 11,047.92 and 2,170.56 is: 3,255.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.12 : 11,047.92 = 2,170.56 : x
  2. Step 2: Convert to fraction form
    7,365.12/11,047.92 = 2,170.56/x
  3. Step 3: Cross multiply
    7,365.12x = 11,047.92 × 2,170.56
  4. Step 4: Simplify right side
    7,365.12x = 23,980,173.24
  5. Step 5: Solve for x
    x = 23,980,173.24/7,365.12
  6. Step 6: Final answer
    x = 3,255.91

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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.