Home / 12,371.48-17,072.94-6,782.52

Finding the Fourth Proportional to 12,371.48, 17,072.94 and 6,782.52

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Solution

The fourth proportional to 12,371.48, 17,072.94 and 6,782.52 is: 9,360.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.48 : 17,072.94 = 6,782.52 : x
  2. Step 2: Convert to fraction form
    12,371.48/17,072.94 = 6,782.52/x
  3. Step 3: Cross multiply
    12,371.48x = 17,072.94 × 6,782.52
  4. Step 4: Simplify right side
    12,371.48x = 115,797,557.01
  5. Step 5: Solve for x
    x = 115,797,557.01/12,371.48
  6. Step 6: Final answer
    x = 9,360.04

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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.