Home / 11,140.47-16,699.16-3,742.44

Finding the Fourth Proportional to 11,140.47, 16,699.16 and 3,742.44

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Solution

The fourth proportional to 11,140.47, 16,699.16 and 3,742.44 is: 5,609.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.47 : 16,699.16 = 3,742.44 : x
  2. Step 2: Convert to fraction form
    11,140.47/16,699.16 = 3,742.44/x
  3. Step 3: Cross multiply
    11,140.47x = 16,699.16 × 3,742.44
  4. Step 4: Simplify right side
    11,140.47x = 62,495,551.08
  5. Step 5: Solve for x
    x = 62,495,551.08/11,140.47
  6. Step 6: Final answer
    x = 5,609.78

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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.