Home / 11,858.60-17,749.24-8,737.36

Finding the Fourth Proportional to 11,858.60, 17,749.24 and 8,737.36

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Solution

The fourth proportional to 11,858.60, 17,749.24 and 8,737.36 is: 13,077.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.60 : 17,749.24 = 8,737.36 : x
  2. Step 2: Convert to fraction form
    11,858.60/17,749.24 = 8,737.36/x
  3. Step 3: Cross multiply
    11,858.60x = 17,749.24 × 8,737.36
  4. Step 4: Simplify right side
    11,858.60x = 155,081,499.61
  5. Step 5: Solve for x
    x = 155,081,499.61/11,858.60
  6. Step 6: Final answer
    x = 13,077.56

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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.