Home / 12,410.93-17,127.09-6,745.74

Finding the Fourth Proportional to 12,410.93, 17,127.09 and 6,745.74

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Solution

The fourth proportional to 12,410.93, 17,127.09 and 6,745.74 is: 9,309.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410.93 : 17,127.09 = 6,745.74 : x
  2. Step 2: Convert to fraction form
    12,410.93/17,127.09 = 6,745.74/x
  3. Step 3: Cross multiply
    12,410.93x = 17,127.09 × 6,745.74
  4. Step 4: Simplify right side
    12,410.93x = 115,534,896.10
  5. Step 5: Solve for x
    x = 115,534,896.10/12,410.93
  6. Step 6: Final answer
    x = 9,309.13

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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.