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Finding the Fourth Proportional to 12,326.68, 17,010.48 and 7,023.21

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Solution

The fourth proportional to 12,326.68, 17,010.48 and 7,023.21 is: 9,691.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.68 : 17,010.48 = 7,023.21 : x
  2. Step 2: Convert to fraction form
    12,326.68/17,010.48 = 7,023.21/x
  3. Step 3: Cross multiply
    12,326.68x = 17,010.48 × 7,023.21
  4. Step 4: Simplify right side
    12,326.68x = 119,468,173.24
  5. Step 5: Solve for x
    x = 119,468,173.24/12,326.68
  6. Step 6: Final answer
    x = 9,691.84

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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.