Home / 8,977.16-13,467.76-2,737.72

Finding the Fourth Proportional to 8,977.16, 13,467.76 and 2,737.72

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Solution

The fourth proportional to 8,977.16, 13,467.76 and 2,737.72 is: 4,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.16 : 13,467.76 = 2,737.72 : x
  2. Step 2: Convert to fraction form
    8,977.16/13,467.76 = 2,737.72/x
  3. Step 3: Cross multiply
    8,977.16x = 13,467.76 × 2,737.72
  4. Step 4: Simplify right side
    8,977.16x = 36,870,955.91
  5. Step 5: Solve for x
    x = 36,870,955.91/8,977.16
  6. Step 6: Final answer
    x = 4,107.20

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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.