Home / 11,962.77-17,930.94-4,938.91

Finding the Fourth Proportional to 11,962.77, 17,930.94 and 4,938.91

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Solution

The fourth proportional to 11,962.77, 17,930.94 and 4,938.91 is: 7,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.77 : 17,930.94 = 4,938.91 : x
  2. Step 2: Convert to fraction form
    11,962.77/17,930.94 = 4,938.91/x
  3. Step 3: Cross multiply
    11,962.77x = 17,930.94 × 4,938.91
  4. Step 4: Simplify right side
    11,962.77x = 88,559,299.85
  5. Step 5: Solve for x
    x = 88,559,299.85/11,962.77
  6. Step 6: Final answer
    x = 7,402.91

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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.