Home / 8,589.08-12,867.28-4,893.86

Finding the Fourth Proportional to 8,589.08, 12,867.28 and 4,893.86

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Solution

The fourth proportional to 8,589.08, 12,867.28 and 4,893.86 is: 7,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.08 : 12,867.28 = 4,893.86 : x
  2. Step 2: Convert to fraction form
    8,589.08/12,867.28 = 4,893.86/x
  3. Step 3: Cross multiply
    8,589.08x = 12,867.28 × 4,893.86
  4. Step 4: Simplify right side
    8,589.08x = 62,970,666.90
  5. Step 5: Solve for x
    x = 62,970,666.90/8,589.08
  6. Step 6: Final answer
    x = 7,331.48

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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.