Home / 10,112.37-13,953.42-5,636.04

Finding the Fourth Proportional to 10,112.37, 13,953.42 and 5,636.04

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Solution

The fourth proportional to 10,112.37, 13,953.42 and 5,636.04 is: 7,776.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.37 : 13,953.42 = 5,636.04 : x
  2. Step 2: Convert to fraction form
    10,112.37/13,953.42 = 5,636.04/x
  3. Step 3: Cross multiply
    10,112.37x = 13,953.42 × 5,636.04
  4. Step 4: Simplify right side
    10,112.37x = 78,642,033.26
  5. Step 5: Solve for x
    x = 78,642,033.26/10,112.37
  6. Step 6: Final answer
    x = 7,776.82

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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.