Home / 7,827.72-11,737.92-4,541.82

Finding the Fourth Proportional to 7,827.72, 11,737.92 and 4,541.82

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Solution

The fourth proportional to 7,827.72, 11,737.92 and 4,541.82 is: 6,810.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.72 : 11,737.92 = 4,541.82 : x
  2. Step 2: Convert to fraction form
    7,827.72/11,737.92 = 4,541.82/x
  3. Step 3: Cross multiply
    7,827.72x = 11,737.92 × 4,541.82
  4. Step 4: Simplify right side
    7,827.72x = 53,311,519.81
  5. Step 5: Solve for x
    x = 53,311,519.81/7,827.72
  6. Step 6: Final answer
    x = 6,810.61

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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.