Home / 12,272.92-16,936.49-7,237.35

Finding the Fourth Proportional to 12,272.92, 16,936.49 and 7,237.35

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Solution

The fourth proportional to 12,272.92, 16,936.49 and 7,237.35 is: 9,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.92 : 16,936.49 = 7,237.35 : x
  2. Step 2: Convert to fraction form
    12,272.92/16,936.49 = 7,237.35/x
  3. Step 3: Cross multiply
    12,272.92x = 16,936.49 × 7,237.35
  4. Step 4: Simplify right side
    12,272.92x = 122,575,323.99
  5. Step 5: Solve for x
    x = 122,575,323.99/12,272.92
  6. Step 6: Final answer
    x = 9,987.46

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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.