Home / 11,140.67-16,709.70-4,476.90

Finding the Fourth Proportional to 11,140.67, 16,709.70 and 4,476.90

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Solution

The fourth proportional to 11,140.67, 16,709.70 and 4,476.90 is: 6,714.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.67 : 16,709.70 = 4,476.90 : x
  2. Step 2: Convert to fraction form
    11,140.67/16,709.70 = 4,476.90/x
  3. Step 3: Cross multiply
    11,140.67x = 16,709.70 × 4,476.90
  4. Step 4: Simplify right side
    11,140.67x = 74,807,655.93
  5. Step 5: Solve for x
    x = 74,807,655.93/11,140.67
  6. Step 6: Final answer
    x = 6,714.83

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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.