Home / 7,921.72-10,933.17-4,565.03

Finding the Fourth Proportional to 7,921.72, 10,933.17 and 4,565.03

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Solution

The fourth proportional to 7,921.72, 10,933.17 and 4,565.03 is: 6,300.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.72 : 10,933.17 = 4,565.03 : x
  2. Step 2: Convert to fraction form
    7,921.72/10,933.17 = 4,565.03/x
  3. Step 3: Cross multiply
    7,921.72x = 10,933.17 × 4,565.03
  4. Step 4: Simplify right side
    7,921.72x = 49,910,249.05
  5. Step 5: Solve for x
    x = 49,910,249.05/7,921.72
  6. Step 6: Final answer
    x = 6,300.43

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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.