Home / 12,410.64-17,126.60-6,745.34

Finding the Fourth Proportional to 12,410.64, 17,126.60 and 6,745.34

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Solution

The fourth proportional to 12,410.64, 17,126.60 and 6,745.34 is: 9,308.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410.64 : 17,126.60 = 6,745.34 : x
  2. Step 2: Convert to fraction form
    12,410.64/17,126.60 = 6,745.34/x
  3. Step 3: Cross multiply
    12,410.64x = 17,126.60 × 6,745.34
  4. Step 4: Simplify right side
    12,410.64x = 115,524,740.04
  5. Step 5: Solve for x
    x = 115,524,740.04/12,410.64
  6. Step 6: Final answer
    x = 9,308.52

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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.