Home / 7,434.89-11,013.22-7,351.97

Finding the Fourth Proportional to 7,434.89, 11,013.22 and 7,351.97

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Solution

The fourth proportional to 7,434.89, 11,013.22 and 7,351.97 is: 10,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.89 : 11,013.22 = 7,351.97 : x
  2. Step 2: Convert to fraction form
    7,434.89/11,013.22 = 7,351.97/x
  3. Step 3: Cross multiply
    7,434.89x = 11,013.22 × 7,351.97
  4. Step 4: Simplify right side
    7,434.89x = 80,968,775.81
  5. Step 5: Solve for x
    x = 80,968,775.81/7,434.89
  6. Step 6: Final answer
    x = 10,890.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.