Home / 8,956.62-13,434.96-3,113.28

Finding the Fourth Proportional to 8,956.62, 13,434.96 and 3,113.28

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Solution

The fourth proportional to 8,956.62, 13,434.96 and 3,113.28 is: 4,669.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.62 : 13,434.96 = 3,113.28 : x
  2. Step 2: Convert to fraction form
    8,956.62/13,434.96 = 3,113.28/x
  3. Step 3: Cross multiply
    8,956.62x = 13,434.96 × 3,113.28
  4. Step 4: Simplify right side
    8,956.62x = 41,826,792.27
  5. Step 5: Solve for x
    x = 41,826,792.27/8,956.62
  6. Step 6: Final answer
    x = 4,669.93

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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.