Home / 9,249.50-12,764.31-5,057.75

Finding the Fourth Proportional to 9,249.50, 12,764.31 and 5,057.75

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Solution

The fourth proportional to 9,249.50, 12,764.31 and 5,057.75 is: 6,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,249.50 : 12,764.31 = 5,057.75 : x
  2. Step 2: Convert to fraction form
    9,249.50/12,764.31 = 5,057.75/x
  3. Step 3: Cross multiply
    9,249.50x = 12,764.31 × 5,057.75
  4. Step 4: Simplify right side
    9,249.50x = 64,558,688.90
  5. Step 5: Solve for x
    x = 64,558,688.90/9,249.50
  6. Step 6: Final answer
    x = 6,979.70

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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.