Home / 8,956.37-13,434.59-3,113.03

Finding the Fourth Proportional to 8,956.37, 13,434.59 and 3,113.03

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Solution

The fourth proportional to 8,956.37, 13,434.59 and 3,113.03 is: 4,669.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.37 : 13,434.59 = 3,113.03 : x
  2. Step 2: Convert to fraction form
    8,956.37/13,434.59 = 3,113.03/x
  3. Step 3: Cross multiply
    8,956.37x = 13,434.59 × 3,113.03
  4. Step 4: Simplify right side
    8,956.37x = 41,822,266.14
  5. Step 5: Solve for x
    x = 41,822,266.14/8,956.37
  6. Step 6: Final answer
    x = 4,669.56

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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.