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Finding the Fourth Proportional to 9,157.99, 12,638.33 and 5,973.37

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Solution

The fourth proportional to 9,157.99, 12,638.33 and 5,973.37 is: 8,243.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.99 : 12,638.33 = 5,973.37 : x
  2. Step 2: Convert to fraction form
    9,157.99/12,638.33 = 5,973.37/x
  3. Step 3: Cross multiply
    9,157.99x = 12,638.33 × 5,973.37
  4. Step 4: Simplify right side
    9,157.99x = 75,493,391.41
  5. Step 5: Solve for x
    x = 75,493,391.41/9,157.99
  6. Step 6: Final answer
    x = 8,243.45

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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.