Home / 10,951.40-16,430.58-3,926.61

Finding the Fourth Proportional to 10,951.40, 16,430.58 and 3,926.61

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Solution

The fourth proportional to 10,951.40, 16,430.58 and 3,926.61 is: 5,891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.40 : 16,430.58 = 3,926.61 : x
  2. Step 2: Convert to fraction form
    10,951.40/16,430.58 = 3,926.61/x
  3. Step 3: Cross multiply
    10,951.40x = 16,430.58 × 3,926.61
  4. Step 4: Simplify right side
    10,951.40x = 64,516,479.73
  5. Step 5: Solve for x
    x = 64,516,479.73/10,951.40
  6. Step 6: Final answer
    x = 5,891.16

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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.