Home / 12,474.15-17,214.98-7,169.46

Finding the Fourth Proportional to 12,474.15, 17,214.98 and 7,169.46

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Solution

The fourth proportional to 12,474.15, 17,214.98 and 7,169.46 is: 9,894.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.15 : 17,214.98 = 7,169.46 : x
  2. Step 2: Convert to fraction form
    12,474.15/17,214.98 = 7,169.46/x
  3. Step 3: Cross multiply
    12,474.15x = 17,214.98 × 7,169.46
  4. Step 4: Simplify right side
    12,474.15x = 123,422,074.66
  5. Step 5: Solve for x
    x = 123,422,074.66/12,474.15
  6. Step 6: Final answer
    x = 9,894.23

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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.