Home / 7,996.70-11,039.90-5,613.98

Finding the Fourth Proportional to 7,996.70, 11,039.90 and 5,613.98

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Solution

The fourth proportional to 7,996.70, 11,039.90 and 5,613.98 is: 7,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.70 : 11,039.90 = 5,613.98 : x
  2. Step 2: Convert to fraction form
    7,996.70/11,039.90 = 5,613.98/x
  3. Step 3: Cross multiply
    7,996.70x = 11,039.90 × 5,613.98
  4. Step 4: Simplify right side
    7,996.70x = 61,977,791.84
  5. Step 5: Solve for x
    x = 61,977,791.84/7,996.70
  6. Step 6: Final answer
    x = 7,750.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.