Home / 8,395.72-11,589.84-6,157.60

Finding the Fourth Proportional to 8,395.72, 11,589.84 and 6,157.60

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Solution

The fourth proportional to 8,395.72, 11,589.84 and 6,157.60 is: 8,500.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.72 : 11,589.84 = 6,157.60 : x
  2. Step 2: Convert to fraction form
    8,395.72/11,589.84 = 6,157.60/x
  3. Step 3: Cross multiply
    8,395.72x = 11,589.84 × 6,157.60
  4. Step 4: Simplify right side
    8,395.72x = 71,365,598.78
  5. Step 5: Solve for x
    x = 71,365,598.78/8,395.72
  6. Step 6: Final answer
    x = 8,500.24

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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.