Home / 10,961.70-16,446.60-4,392.60

Finding the Fourth Proportional to 10,961.70, 16,446.60 and 4,392.60

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Solution

The fourth proportional to 10,961.70, 16,446.60 and 4,392.60 is: 6,590.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.70 : 16,446.60 = 4,392.60 : x
  2. Step 2: Convert to fraction form
    10,961.70/16,446.60 = 4,392.60/x
  3. Step 3: Cross multiply
    10,961.70x = 16,446.60 × 4,392.60
  4. Step 4: Simplify right side
    10,961.70x = 72,243,335.16
  5. Step 5: Solve for x
    x = 72,243,335.16/10,961.70
  6. Step 6: Final answer
    x = 6,590.52

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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.