Home / 12,631.43-17,428.41-7,594.85

Finding the Fourth Proportional to 12,631.43, 17,428.41 and 7,594.85

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Solution

The fourth proportional to 12,631.43, 17,428.41 and 7,594.85 is: 10,479.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631.43 : 17,428.41 = 7,594.85 : x
  2. Step 2: Convert to fraction form
    12,631.43/17,428.41 = 7,594.85/x
  3. Step 3: Cross multiply
    12,631.43x = 17,428.41 × 7,594.85
  4. Step 4: Simplify right side
    12,631.43x = 132,366,072.55
  5. Step 5: Solve for x
    x = 132,366,072.55/12,631.43
  6. Step 6: Final answer
    x = 10,479.11

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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.