Home / 11,903.52-17,861.40-5,670.60

Finding the Fourth Proportional to 11,903.52, 17,861.40 and 5,670.60

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Solution

The fourth proportional to 11,903.52, 17,861.40 and 5,670.60 is: 8,508.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.52 : 17,861.40 = 5,670.60 : x
  2. Step 2: Convert to fraction form
    11,903.52/17,861.40 = 5,670.60/x
  3. Step 3: Cross multiply
    11,903.52x = 17,861.40 × 5,670.60
  4. Step 4: Simplify right side
    11,903.52x = 101,284,854.84
  5. Step 5: Solve for x
    x = 101,284,854.84/11,903.52
  6. Step 6: Final answer
    x = 8,508.82

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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.