Home / 8,541.18-12,815.72-3,274.46

Finding the Fourth Proportional to 8,541.18, 12,815.72 and 3,274.46

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Solution

The fourth proportional to 8,541.18, 12,815.72 and 3,274.46 is: 4,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.18 : 12,815.72 = 3,274.46 : x
  2. Step 2: Convert to fraction form
    8,541.18/12,815.72 = 3,274.46/x
  3. Step 3: Cross multiply
    8,541.18x = 12,815.72 × 3,274.46
  4. Step 4: Simplify right side
    8,541.18x = 41,964,562.51
  5. Step 5: Solve for x
    x = 41,964,562.51/8,541.18
  6. Step 6: Final answer
    x = 4,913.20

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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.