Home / 8,957.87-13,436.83-2,717.93

Finding the Fourth Proportional to 8,957.87, 13,436.83 and 2,717.93

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Solution

The fourth proportional to 8,957.87, 13,436.83 and 2,717.93 is: 4,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.87 : 13,436.83 = 2,717.93 : x
  2. Step 2: Convert to fraction form
    8,957.87/13,436.83 = 2,717.93/x
  3. Step 3: Cross multiply
    8,957.87x = 13,436.83 × 2,717.93
  4. Step 4: Simplify right side
    8,957.87x = 36,520,352.05
  5. Step 5: Solve for x
    x = 36,520,352.05/8,957.87
  6. Step 6: Final answer
    x = 4,076.90

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1.5x scale

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.