Home / 8,313.30-11,472.72-4,777.66

Finding the Fourth Proportional to 8,313.30, 11,472.72 and 4,777.66

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Solution

The fourth proportional to 8,313.30, 11,472.72 and 4,777.66 is: 6,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.30 : 11,472.72 = 4,777.66 : x
  2. Step 2: Convert to fraction form
    8,313.30/11,472.72 = 4,777.66/x
  3. Step 3: Cross multiply
    8,313.30x = 11,472.72 × 4,777.66
  4. Step 4: Simplify right side
    8,313.30x = 54,812,755.44
  5. Step 5: Solve for x
    x = 54,812,755.44/8,313.30
  6. Step 6: Final answer
    x = 6,593.38

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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.