Home / 11,101.76-16,652.40-3,605.31

Finding the Fourth Proportional to 11,101.76, 16,652.40 and 3,605.31

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Solution

The fourth proportional to 11,101.76, 16,652.40 and 3,605.31 is: 5,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.76 : 16,652.40 = 3,605.31 : x
  2. Step 2: Convert to fraction form
    11,101.76/16,652.40 = 3,605.31/x
  3. Step 3: Cross multiply
    11,101.76x = 16,652.40 × 3,605.31
  4. Step 4: Simplify right side
    11,101.76x = 60,037,077.76
  5. Step 5: Solve for x
    x = 60,037,077.76/11,101.76
  6. Step 6: Final answer
    x = 5,407.89

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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.