Home / 8,157.08-11,268.41-7,566.59

Finding the Fourth Proportional to 8,157.08, 11,268.41 and 7,566.59

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Solution

The fourth proportional to 8,157.08, 11,268.41 and 7,566.59 is: 10,452.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.08 : 11,268.41 = 7,566.59 : x
  2. Step 2: Convert to fraction form
    8,157.08/11,268.41 = 7,566.59/x
  3. Step 3: Cross multiply
    8,157.08x = 11,268.41 × 7,566.59
  4. Step 4: Simplify right side
    8,157.08x = 85,263,344.25
  5. Step 5: Solve for x
    x = 85,263,344.25/8,157.08
  6. Step 6: Final answer
    x = 10,452.69

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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.