Home / 8,589.19-12,885.87-2,665.93

Finding the Fourth Proportional to 8,589.19, 12,885.87 and 2,665.93

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Solution

The fourth proportional to 8,589.19, 12,885.87 and 2,665.93 is: 3,999.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.19 : 12,885.87 = 2,665.93 : x
  2. Step 2: Convert to fraction form
    8,589.19/12,885.87 = 2,665.93/x
  3. Step 3: Cross multiply
    8,589.19x = 12,885.87 × 2,665.93
  4. Step 4: Simplify right side
    8,589.19x = 34,352,827.41
  5. Step 5: Solve for x
    x = 34,352,827.41/8,589.19
  6. Step 6: Final answer
    x = 3,999.54

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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.