Home / 12,633.05-18,954.49-5,235.63

Finding the Fourth Proportional to 12,633.05, 18,954.49 and 5,235.63

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Solution

The fourth proportional to 12,633.05, 18,954.49 and 5,235.63 is: 7,855.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.05 : 18,954.49 = 5,235.63 : x
  2. Step 2: Convert to fraction form
    12,633.05/18,954.49 = 5,235.63/x
  3. Step 3: Cross multiply
    12,633.05x = 18,954.49 × 5,235.63
  4. Step 4: Simplify right side
    12,633.05x = 99,238,696.48
  5. Step 5: Solve for x
    x = 99,238,696.48/12,633.05
  6. Step 6: Final answer
    x = 7,855.48

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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.