Home / 12,631.14-18,949.95-4,840.56

Finding the Fourth Proportional to 12,631.14, 18,949.95 and 4,840.56

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Solution

The fourth proportional to 12,631.14, 18,949.95 and 4,840.56 is: 7,262.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631.14 : 18,949.95 = 4,840.56 : x
  2. Step 2: Convert to fraction form
    12,631.14/18,949.95 = 4,840.56/x
  3. Step 3: Cross multiply
    12,631.14x = 18,949.95 × 4,840.56
  4. Step 4: Simplify right side
    12,631.14x = 91,728,369.97
  5. Step 5: Solve for x
    x = 91,728,369.97/12,631.14
  6. Step 6: Final answer
    x = 7,262.08

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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.