Home / 12,575.06-17,351.73-6,986.06

Finding the Fourth Proportional to 12,575.06, 17,351.73 and 6,986.06

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Solution

The fourth proportional to 12,575.06, 17,351.73 and 6,986.06 is: 9,639.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.06 : 17,351.73 = 6,986.06 : x
  2. Step 2: Convert to fraction form
    12,575.06/17,351.73 = 6,986.06/x
  3. Step 3: Cross multiply
    12,575.06x = 17,351.73 × 6,986.06
  4. Step 4: Simplify right side
    12,575.06x = 121,220,226.88
  5. Step 5: Solve for x
    x = 121,220,226.88/12,575.06
  6. Step 6: Final answer
    x = 9,639.73

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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.