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Finding the Fourth Proportional to 10,795.88, 16,157.22 and 6,638.51

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Solution

The fourth proportional to 10,795.88, 16,157.22 and 6,638.51 is: 9,935.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,795.88 : 16,157.22 = 6,638.51 : x
  2. Step 2: Convert to fraction form
    10,795.88/16,157.22 = 6,638.51/x
  3. Step 3: Cross multiply
    10,795.88x = 16,157.22 × 6,638.51
  4. Step 4: Simplify right side
    10,795.88x = 107,259,828.50
  5. Step 5: Solve for x
    x = 107,259,828.50/10,795.88
  6. Step 6: Final answer
    x = 9,935.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.