Home / 9,438.17-14,161.13-4,170.39

Finding the Fourth Proportional to 9,438.17, 14,161.13 and 4,170.39

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Solution

The fourth proportional to 9,438.17, 14,161.13 and 4,170.39 is: 6,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.17 : 14,161.13 = 4,170.39 : x
  2. Step 2: Convert to fraction form
    9,438.17/14,161.13 = 4,170.39/x
  3. Step 3: Cross multiply
    9,438.17x = 14,161.13 × 4,170.39
  4. Step 4: Simplify right side
    9,438.17x = 59,057,414.09
  5. Step 5: Solve for x
    x = 59,057,414.09/9,438.17
  6. Step 6: Final answer
    x = 6,257.30

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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.