Home / 12,403.44-17,118.24-7,098.14

Finding the Fourth Proportional to 12,403.44, 17,118.24 and 7,098.14

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Solution

The fourth proportional to 12,403.44, 17,118.24 and 7,098.14 is: 9,796.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.44 : 17,118.24 = 7,098.14 : x
  2. Step 2: Convert to fraction form
    12,403.44/17,118.24 = 7,098.14/x
  3. Step 3: Cross multiply
    12,403.44x = 17,118.24 × 7,098.14
  4. Step 4: Simplify right side
    12,403.44x = 121,507,578.48
  5. Step 5: Solve for x
    x = 121,507,578.48/12,403.44
  6. Step 6: Final answer
    x = 9,796.28

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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.