Home / 11,410.29-15,745.83-6,630.64

Finding the Fourth Proportional to 11,410.29, 15,745.83 and 6,630.64

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Solution

The fourth proportional to 11,410.29, 15,745.83 and 6,630.64 is: 9,150.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,410.29 : 15,745.83 = 6,630.64 : x
  2. Step 2: Convert to fraction form
    11,410.29/15,745.83 = 6,630.64/x
  3. Step 3: Cross multiply
    11,410.29x = 15,745.83 × 6,630.64
  4. Step 4: Simplify right side
    11,410.29x = 104,404,930.23
  5. Step 5: Solve for x
    x = 104,404,930.23/11,410.29
  6. Step 6: Final answer
    x = 9,150.07

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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.