Home / 9,394.64-12,961.68-6,251.36

Finding the Fourth Proportional to 9,394.64, 12,961.68 and 6,251.36

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Solution

The fourth proportional to 9,394.64, 12,961.68 and 6,251.36 is: 8,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,394.64 : 12,961.68 = 6,251.36 : x
  2. Step 2: Convert to fraction form
    9,394.64/12,961.68 = 6,251.36/x
  3. Step 3: Cross multiply
    9,394.64x = 12,961.68 × 6,251.36
  4. Step 4: Simplify right side
    9,394.64x = 81,028,127.88
  5. Step 5: Solve for x
    x = 81,028,127.88/9,394.64
  6. Step 6: Final answer
    x = 8,624.93

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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.