Home / 11,576.38-15,971.68-7,097.89

Finding the Fourth Proportional to 11,576.38, 15,971.68 and 7,097.89

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Solution

The fourth proportional to 11,576.38, 15,971.68 and 7,097.89 is: 9,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576.38 : 15,971.68 = 7,097.89 : x
  2. Step 2: Convert to fraction form
    11,576.38/15,971.68 = 7,097.89/x
  3. Step 3: Cross multiply
    11,576.38x = 15,971.68 × 7,097.89
  4. Step 4: Simplify right side
    11,576.38x = 113,365,227.76
  5. Step 5: Solve for x
    x = 113,365,227.76/11,576.38
  6. Step 6: Final answer
    x = 9,792.80

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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.