Home / 8,145.56-12,218.34-5,352.04

Finding the Fourth Proportional to 8,145.56, 12,218.34 and 5,352.04

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Solution

The fourth proportional to 8,145.56, 12,218.34 and 5,352.04 is: 8,028.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.56 : 12,218.34 = 5,352.04 : x
  2. Step 2: Convert to fraction form
    8,145.56/12,218.34 = 5,352.04/x
  3. Step 3: Cross multiply
    8,145.56x = 12,218.34 × 5,352.04
  4. Step 4: Simplify right side
    8,145.56x = 65,393,079.76
  5. Step 5: Solve for x
    x = 65,393,079.76/8,145.56
  6. Step 6: Final answer
    x = 8,028.06

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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.