Home / 10,671.23-16,011.45-4,432.61

Finding the Fourth Proportional to 10,671.23, 16,011.45 and 4,432.61

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Solution

The fourth proportional to 10,671.23, 16,011.45 and 4,432.61 is: 6,650.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671.23 : 16,011.45 = 4,432.61 : x
  2. Step 2: Convert to fraction form
    10,671.23/16,011.45 = 4,432.61/x
  3. Step 3: Cross multiply
    10,671.23x = 16,011.45 × 4,432.61
  4. Step 4: Simplify right side
    10,671.23x = 70,972,513.38
  5. Step 5: Solve for x
    x = 70,972,513.38/10,671.23
  6. Step 6: Final answer
    x = 6,650.83

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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.