Home / 7,645.43-10,551.12-5,753.61

Finding the Fourth Proportional to 7,645.43, 10,551.12 and 5,753.61

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Solution

The fourth proportional to 7,645.43, 10,551.12 and 5,753.61 is: 7,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.43 : 10,551.12 = 5,753.61 : x
  2. Step 2: Convert to fraction form
    7,645.43/10,551.12 = 5,753.61/x
  3. Step 3: Cross multiply
    7,645.43x = 10,551.12 × 5,753.61
  4. Step 4: Simplify right side
    7,645.43x = 60,707,029.54
  5. Step 5: Solve for x
    x = 60,707,029.54/7,645.43
  6. Step 6: Final answer
    x = 7,940.30

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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.