Home / 12,463.12-18,701.57-6,619.51

Finding the Fourth Proportional to 12,463.12, 18,701.57 and 6,619.51

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Solution

The fourth proportional to 12,463.12, 18,701.57 and 6,619.51 is: 9,932.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463.12 : 18,701.57 = 6,619.51 : x
  2. Step 2: Convert to fraction form
    12,463.12/18,701.57 = 6,619.51/x
  3. Step 3: Cross multiply
    12,463.12x = 18,701.57 × 6,619.51
  4. Step 4: Simplify right side
    12,463.12x = 123,795,229.63
  5. Step 5: Solve for x
    x = 123,795,229.63/12,463.12
  6. Step 6: Final answer
    x = 9,932.92

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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.