Home / 8,065.22-11,129.83-4,528.43

Finding the Fourth Proportional to 8,065.22, 11,129.83 and 4,528.43

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Solution

The fourth proportional to 8,065.22, 11,129.83 and 4,528.43 is: 6,249.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.22 : 11,129.83 = 4,528.43 : x
  2. Step 2: Convert to fraction form
    8,065.22/11,129.83 = 4,528.43/x
  3. Step 3: Cross multiply
    8,065.22x = 11,129.83 × 4,528.43
  4. Step 4: Simplify right side
    8,065.22x = 50,400,589.10
  5. Step 5: Solve for x
    x = 50,400,589.10/8,065.22
  6. Step 6: Final answer
    x = 6,249.13

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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.