Home / 12,743.43-19,096.65-7,184.91

Finding the Fourth Proportional to 12,743.43, 19,096.65 and 7,184.91

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Solution

The fourth proportional to 12,743.43, 19,096.65 and 7,184.91 is: 10,766.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743.43 : 19,096.65 = 7,184.91 : x
  2. Step 2: Convert to fraction form
    12,743.43/19,096.65 = 7,184.91/x
  3. Step 3: Cross multiply
    12,743.43x = 19,096.65 × 7,184.91
  4. Step 4: Simplify right side
    12,743.43x = 137,207,711.55
  5. Step 5: Solve for x
    x = 137,207,711.55/12,743.43
  6. Step 6: Final answer
    x = 10,766.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.