Home / 12,430.42-17,131.44-9,067.84

Finding the Fourth Proportional to 12,430.42, 17,131.44 and 9,067.84

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Solution

The fourth proportional to 12,430.42, 17,131.44 and 9,067.84 is: 12,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430.42 : 17,131.44 = 9,067.84 : x
  2. Step 2: Convert to fraction form
    12,430.42/17,131.44 = 9,067.84/x
  3. Step 3: Cross multiply
    12,430.42x = 17,131.44 × 9,067.84
  4. Step 4: Simplify right side
    12,430.42x = 155,345,156.89
  5. Step 5: Solve for x
    x = 155,345,156.89/12,430.42
  6. Step 6: Final answer
    x = 12,497.18

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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.