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Finding the Fourth Proportional to 12,399.01, 17,110.65 and 7,093.51

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Solution

The fourth proportional to 12,399.01, 17,110.65 and 7,093.51 is: 9,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,399.01 : 17,110.65 = 7,093.51 : x
  2. Step 2: Convert to fraction form
    12,399.01/17,110.65 = 7,093.51/x
  3. Step 3: Cross multiply
    12,399.01x = 17,110.65 × 7,093.51
  4. Step 4: Simplify right side
    12,399.01x = 121,374,566.88
  5. Step 5: Solve for x
    x = 121,374,566.88/12,399.01
  6. Step 6: Final answer
    x = 9,789.05

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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.