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Finding the Fourth Proportional to 9,167.98, 12,652.14 and 5,189.26

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Solution

The fourth proportional to 9,167.98, 12,652.14 and 5,189.26 is: 7,161.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167.98 : 12,652.14 = 5,189.26 : x
  2. Step 2: Convert to fraction form
    9,167.98/12,652.14 = 5,189.26/x
  3. Step 3: Cross multiply
    9,167.98x = 12,652.14 × 5,189.26
  4. Step 4: Simplify right side
    9,167.98x = 65,655,244.02
  5. Step 5: Solve for x
    x = 65,655,244.02/9,167.98
  6. Step 6: Final answer
    x = 7,161.36

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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.