Home / 12,531.11-17,292.94-6,942.11

Finding the Fourth Proportional to 12,531.11, 17,292.94 and 6,942.11

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Solution

The fourth proportional to 12,531.11, 17,292.94 and 6,942.11 is: 9,580.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.11 : 17,292.94 = 6,942.11 : x
  2. Step 2: Convert to fraction form
    12,531.11/17,292.94 = 6,942.11/x
  3. Step 3: Cross multiply
    12,531.11x = 17,292.94 × 6,942.11
  4. Step 4: Simplify right side
    12,531.11x = 120,049,491.70
  5. Step 5: Solve for x
    x = 120,049,491.70/12,531.11
  6. Step 6: Final answer
    x = 9,580.12

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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.