Home / 6,272.11-8,656.59-4,777.21

Finding the Fourth Proportional to 6,272.11, 8,656.59 and 4,777.21

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Solution

The fourth proportional to 6,272.11, 8,656.59 and 4,777.21 is: 6,593.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.11 : 8,656.59 = 4,777.21 : x
  2. Step 2: Convert to fraction form
    6,272.11/8,656.59 = 4,777.21/x
  3. Step 3: Cross multiply
    6,272.11x = 8,656.59 × 4,777.21
  4. Step 4: Simplify right side
    6,272.11x = 41,354,348.31
  5. Step 5: Solve for x
    x = 41,354,348.31/6,272.11
  6. Step 6: Final answer
    x = 6,593.37

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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.