Home / 9,757.99-13,467.09-6,403.51

Finding the Fourth Proportional to 9,757.99, 13,467.09 and 6,403.51

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Solution

The fourth proportional to 9,757.99, 13,467.09 and 6,403.51 is: 8,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,757.99 : 13,467.09 = 6,403.51 : x
  2. Step 2: Convert to fraction form
    9,757.99/13,467.09 = 6,403.51/x
  3. Step 3: Cross multiply
    9,757.99x = 13,467.09 × 6,403.51
  4. Step 4: Simplify right side
    9,757.99x = 86,236,645.49
  5. Step 5: Solve for x
    x = 86,236,645.49/9,757.99
  6. Step 6: Final answer
    x = 8,837.54

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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.