Home / 9,183.04-12,672.30-4,991.26

Finding the Fourth Proportional to 9,183.04, 12,672.30 and 4,991.26

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Solution

The fourth proportional to 9,183.04, 12,672.30 and 4,991.26 is: 6,887.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.04 : 12,672.30 = 4,991.26 : x
  2. Step 2: Convert to fraction form
    9,183.04/12,672.30 = 4,991.26/x
  3. Step 3: Cross multiply
    9,183.04x = 12,672.30 × 4,991.26
  4. Step 4: Simplify right side
    9,183.04x = 63,250,744.10
  5. Step 5: Solve for x
    x = 63,250,744.10/9,183.04
  6. Step 6: Final answer
    x = 6,887.78

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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.