Home / 12,510.82-17,228.19-11,184.04

Finding the Fourth Proportional to 12,510.82, 17,228.19 and 11,184.04

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Solution

The fourth proportional to 12,510.82, 17,228.19 and 11,184.04 is: 15,401.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.82 : 17,228.19 = 11,184.04 : x
  2. Step 2: Convert to fraction form
    12,510.82/17,228.19 = 11,184.04/x
  3. Step 3: Cross multiply
    12,510.82x = 17,228.19 × 11,184.04
  4. Step 4: Simplify right side
    12,510.82x = 192,680,766.09
  5. Step 5: Solve for x
    x = 192,680,766.09/12,510.82
  6. Step 6: Final answer
    x = 15,401.13

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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.