Home / 8,956.17-13,434.26-3,408.23

Finding the Fourth Proportional to 8,956.17, 13,434.26 and 3,408.23

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Solution

The fourth proportional to 8,956.17, 13,434.26 and 3,408.23 is: 5,112.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.17 : 13,434.26 = 3,408.23 : x
  2. Step 2: Convert to fraction form
    8,956.17/13,434.26 = 3,408.23/x
  3. Step 3: Cross multiply
    8,956.17x = 13,434.26 × 3,408.23
  4. Step 4: Simplify right side
    8,956.17x = 45,786,988.94
  5. Step 5: Solve for x
    x = 45,786,988.94/8,956.17
  6. Step 6: Final answer
    x = 5,112.34

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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.