Home / 10,932.57-15,087.87-8,937.54

Finding the Fourth Proportional to 10,932.57, 15,087.87 and 8,937.54

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Solution

The fourth proportional to 10,932.57, 15,087.87 and 8,937.54 is: 12,334.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.57 : 15,087.87 = 8,937.54 : x
  2. Step 2: Convert to fraction form
    10,932.57/15,087.87 = 8,937.54/x
  3. Step 3: Cross multiply
    10,932.57x = 15,087.87 × 8,937.54
  4. Step 4: Simplify right side
    10,932.57x = 134,848,441.64
  5. Step 5: Solve for x
    x = 134,848,441.64/10,932.57
  6. Step 6: Final answer
    x = 12,334.56

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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.