Home / 8,957.89-13,436.69-2,717.96

Finding the Fourth Proportional to 8,957.89, 13,436.69 and 2,717.96

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Solution

The fourth proportional to 8,957.89, 13,436.69 and 2,717.96 is: 4,076.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.89 : 13,436.69 = 2,717.96 : x
  2. Step 2: Convert to fraction form
    8,957.89/13,436.69 = 2,717.96/x
  3. Step 3: Cross multiply
    8,957.89x = 13,436.69 × 2,717.96
  4. Step 4: Simplify right side
    8,957.89x = 36,520,305.18
  5. Step 5: Solve for x
    x = 36,520,305.18/8,957.89
  6. Step 6: Final answer
    x = 4,076.89

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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.