Home / 8,562.27-12,845.45-2,718.89

Finding the Fourth Proportional to 8,562.27, 12,845.45 and 2,718.89

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Solution

The fourth proportional to 8,562.27, 12,845.45 and 2,718.89 is: 4,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562.27 : 12,845.45 = 2,718.89 : x
  2. Step 2: Convert to fraction form
    8,562.27/12,845.45 = 2,718.89/x
  3. Step 3: Cross multiply
    8,562.27x = 12,845.45 × 2,718.89
  4. Step 4: Simplify right side
    8,562.27x = 34,925,356.29
  5. Step 5: Solve for x
    x = 34,925,356.29/8,562.27
  6. Step 6: Final answer
    x = 4,078.98

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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.