Home / 7,440.64-11,162-2,511.72

Finding the Fourth Proportional to 7,440.64, 11,162 and 2,511.72

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Solution

The fourth proportional to 7,440.64, 11,162 and 2,511.72 is: 3,767.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.64 : 11,162 = 2,511.72 : x
  2. Step 2: Convert to fraction form
    7,440.64/11,162 = 2,511.72/x
  3. Step 3: Cross multiply
    7,440.64x = 11,162 × 2,511.72
  4. Step 4: Simplify right side
    7,440.64x = 28,035,818.64
  5. Step 5: Solve for x
    x = 28,035,818.64/7,440.64
  6. Step 6: Final answer
    x = 3,767.93

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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.