Home / 9,154.98-12,634.41-6,171.30

Finding the Fourth Proportional to 9,154.98, 12,634.41 and 6,171.30

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Solution

The fourth proportional to 9,154.98, 12,634.41 and 6,171.30 is: 8,516.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.98 : 12,634.41 = 6,171.30 : x
  2. Step 2: Convert to fraction form
    9,154.98/12,634.41 = 6,171.30/x
  3. Step 3: Cross multiply
    9,154.98x = 12,634.41 × 6,171.30
  4. Step 4: Simplify right side
    9,154.98x = 77,970,734.43
  5. Step 5: Solve for x
    x = 77,970,734.43/9,154.98
  6. Step 6: Final answer
    x = 8,516.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.