Home / 12,486.04-17,224.92-7,701.97

Finding the Fourth Proportional to 12,486.04, 17,224.92 and 7,701.97

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Solution

The fourth proportional to 12,486.04, 17,224.92 and 7,701.97 is: 10,625.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,486.04 : 17,224.92 = 7,701.97 : x
  2. Step 2: Convert to fraction form
    12,486.04/17,224.92 = 7,701.97/x
  3. Step 3: Cross multiply
    12,486.04x = 17,224.92 × 7,701.97
  4. Step 4: Simplify right side
    12,486.04x = 132,665,817.09
  5. Step 5: Solve for x
    x = 132,665,817.09/12,486.04
  6. Step 6: Final answer
    x = 10,625.13

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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.