Home / 12,326.08-17,010.96-7,021.12

Finding the Fourth Proportional to 12,326.08, 17,010.96 and 7,021.12

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Solution

The fourth proportional to 12,326.08, 17,010.96 and 7,021.12 is: 9,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.08 : 17,010.96 = 7,021.12 : x
  2. Step 2: Convert to fraction form
    12,326.08/17,010.96 = 7,021.12/x
  3. Step 3: Cross multiply
    12,326.08x = 17,010.96 × 7,021.12
  4. Step 4: Simplify right side
    12,326.08x = 119,435,991.48
  5. Step 5: Solve for x
    x = 119,435,991.48/12,326.08
  6. Step 6: Final answer
    x = 9,689.70

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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.