Home / 12,400.36-17,112.43-6,735.06

Finding the Fourth Proportional to 12,400.36, 17,112.43 and 6,735.06

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Solution

The fourth proportional to 12,400.36, 17,112.43 and 6,735.06 is: 9,294.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.36 : 17,112.43 = 6,735.06 : x
  2. Step 2: Convert to fraction form
    12,400.36/17,112.43 = 6,735.06/x
  3. Step 3: Cross multiply
    12,400.36x = 17,112.43 × 6,735.06
  4. Step 4: Simplify right side
    12,400.36x = 115,253,242.80
  5. Step 5: Solve for x
    x = 115,253,242.80/12,400.36
  6. Step 6: Final answer
    x = 9,294.35

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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.