Home / 10,198.23-14,072.73-5,721.36

Finding the Fourth Proportional to 10,198.23, 14,072.73 and 5,721.36

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Solution

The fourth proportional to 10,198.23, 14,072.73 and 5,721.36 is: 7,895.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.23 : 14,072.73 = 5,721.36 : x
  2. Step 2: Convert to fraction form
    10,198.23/14,072.73 = 5,721.36/x
  3. Step 3: Cross multiply
    10,198.23x = 14,072.73 × 5,721.36
  4. Step 4: Simplify right side
    10,198.23x = 80,515,154.51
  5. Step 5: Solve for x
    x = 80,515,154.51/10,198.23
  6. Step 6: Final answer
    x = 7,895.01

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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.