Home / 8,541.29-12,812.54-2,697.84

Finding the Fourth Proportional to 8,541.29, 12,812.54 and 2,697.84

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Solution

The fourth proportional to 8,541.29, 12,812.54 and 2,697.84 is: 4,046.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.29 : 12,812.54 = 2,697.84 : x
  2. Step 2: Convert to fraction form
    8,541.29/12,812.54 = 2,697.84/x
  3. Step 3: Cross multiply
    8,541.29x = 12,812.54 × 2,697.84
  4. Step 4: Simplify right side
    8,541.29x = 34,566,169.42
  5. Step 5: Solve for x
    x = 34,566,169.42/8,541.29
  6. Step 6: Final answer
    x = 4,046.95

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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.