Home / 9,732.45-13,398.30-9,286.11

Finding the Fourth Proportional to 9,732.45, 13,398.30 and 9,286.11

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Solution

The fourth proportional to 9,732.45, 13,398.30 and 9,286.11 is: 12,783.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,732.45 : 13,398.30 = 9,286.11 : x
  2. Step 2: Convert to fraction form
    9,732.45/13,398.30 = 9,286.11/x
  3. Step 3: Cross multiply
    9,732.45x = 13,398.30 × 9,286.11
  4. Step 4: Simplify right side
    9,732.45x = 124,418,087.61
  5. Step 5: Solve for x
    x = 124,418,087.61/9,732.45
  6. Step 6: Final answer
    x = 12,783.84

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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.