Home / 8,449.53-11,655.68-4,912.35

Finding the Fourth Proportional to 8,449.53, 11,655.68 and 4,912.35

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Solution

The fourth proportional to 8,449.53, 11,655.68 and 4,912.35 is: 6,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.53 : 11,655.68 = 4,912.35 : x
  2. Step 2: Convert to fraction form
    8,449.53/11,655.68 = 4,912.35/x
  3. Step 3: Cross multiply
    8,449.53x = 11,655.68 × 4,912.35
  4. Step 4: Simplify right side
    8,449.53x = 57,256,755.09
  5. Step 5: Solve for x
    x = 57,256,755.09/8,449.53
  6. Step 6: Final answer
    x = 6,776.32

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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.