Home / 8,589.08-11,876.79-6,817.61

Finding the Fourth Proportional to 8,589.08, 11,876.79 and 6,817.61

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Solution

The fourth proportional to 8,589.08, 11,876.79 and 6,817.61 is: 9,427.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.08 : 11,876.79 = 6,817.61 : x
  2. Step 2: Convert to fraction form
    8,589.08/11,876.79 = 6,817.61/x
  3. Step 3: Cross multiply
    8,589.08x = 11,876.79 × 6,817.61
  4. Step 4: Simplify right side
    8,589.08x = 80,971,322.27
  5. Step 5: Solve for x
    x = 80,971,322.27/8,589.08
  6. Step 6: Final answer
    x = 9,427.24

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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.