Home / 8,351.26-11,463.32-7,385.89

Finding the Fourth Proportional to 8,351.26, 11,463.32 and 7,385.89

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Solution

The fourth proportional to 8,351.26, 11,463.32 and 7,385.89 is: 10,138.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.26 : 11,463.32 = 7,385.89 : x
  2. Step 2: Convert to fraction form
    8,351.26/11,463.32 = 7,385.89/x
  3. Step 3: Cross multiply
    8,351.26x = 11,463.32 × 7,385.89
  4. Step 4: Simplify right side
    8,351.26x = 84,666,820.55
  5. Step 5: Solve for x
    x = 84,666,820.55/8,351.26
  6. Step 6: Final answer
    x = 10,138.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.