Home / 12,367.07-17,074.34-8,589.02

Finding the Fourth Proportional to 12,367.07, 17,074.34 and 8,589.02

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Solution

The fourth proportional to 12,367.07, 17,074.34 and 8,589.02 is: 11,858.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.07 : 17,074.34 = 8,589.02 : x
  2. Step 2: Convert to fraction form
    12,367.07/17,074.34 = 8,589.02/x
  3. Step 3: Cross multiply
    12,367.07x = 17,074.34 × 8,589.02
  4. Step 4: Simplify right side
    12,367.07x = 146,651,719.43
  5. Step 5: Solve for x
    x = 146,651,719.43/12,367.07
  6. Step 6: Final answer
    x = 11,858.25

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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.