Home / 12,326.11-17,010.03-7,021.42

Finding the Fourth Proportional to 12,326.11, 17,010.03 and 7,021.42

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Solution

The fourth proportional to 12,326.11, 17,010.03 and 7,021.42 is: 9,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.11 : 17,010.03 = 7,021.42 : x
  2. Step 2: Convert to fraction form
    12,326.11/17,010.03 = 7,021.42/x
  3. Step 3: Cross multiply
    12,326.11x = 17,010.03 × 7,021.42
  4. Step 4: Simplify right side
    12,326.11x = 119,434,564.84
  5. Step 5: Solve for x
    x = 119,434,564.84/12,326.11
  6. Step 6: Final answer
    x = 9,689.56

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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.