Home / 10,109.45-13,951.01-5,633.16

Finding the Fourth Proportional to 10,109.45, 13,951.01 and 5,633.16

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Solution

The fourth proportional to 10,109.45, 13,951.01 and 5,633.16 is: 7,773.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109.45 : 13,951.01 = 5,633.16 : x
  2. Step 2: Convert to fraction form
    10,109.45/13,951.01 = 5,633.16/x
  3. Step 3: Cross multiply
    10,109.45x = 13,951.01 × 5,633.16
  4. Step 4: Simplify right side
    10,109.45x = 78,588,295.89
  5. Step 5: Solve for x
    x = 78,588,295.89/10,109.45
  6. Step 6: Final answer
    x = 7,773.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.