Home / 11,289.24-15,578.55-6,253.38

Finding the Fourth Proportional to 11,289.24, 15,578.55 and 6,253.38

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Solution

The fourth proportional to 11,289.24, 15,578.55 and 6,253.38 is: 8,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.24 : 15,578.55 = 6,253.38 : x
  2. Step 2: Convert to fraction form
    11,289.24/15,578.55 = 6,253.38/x
  3. Step 3: Cross multiply
    11,289.24x = 15,578.55 × 6,253.38
  4. Step 4: Simplify right side
    11,289.24x = 97,418,593.00
  5. Step 5: Solve for x
    x = 97,418,593.00/11,289.24
  6. Step 6: Final answer
    x = 8,629.33

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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.