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Finding the Fourth Proportional to 11,958.36, 17,893.80 and 7,030.32

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Solution

The fourth proportional to 11,958.36, 17,893.80 and 7,030.32 is: 10,519.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.36 : 17,893.80 = 7,030.32 : x
  2. Step 2: Convert to fraction form
    11,958.36/17,893.80 = 7,030.32/x
  3. Step 3: Cross multiply
    11,958.36x = 17,893.80 × 7,030.32
  4. Step 4: Simplify right side
    11,958.36x = 125,799,140.02
  5. Step 5: Solve for x
    x = 125,799,140.02/11,958.36
  6. Step 6: Final answer
    x = 10,519.77

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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.