Home / 10,112.03-13,955.08-5,635.82

Finding the Fourth Proportional to 10,112.03, 13,955.08 and 5,635.82

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Solution

The fourth proportional to 10,112.03, 13,955.08 and 5,635.82 is: 7,777.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.03 : 13,955.08 = 5,635.82 : x
  2. Step 2: Convert to fraction form
    10,112.03/13,955.08 = 5,635.82/x
  3. Step 3: Cross multiply
    10,112.03x = 13,955.08 × 5,635.82
  4. Step 4: Simplify right side
    10,112.03x = 78,648,249.19
  5. Step 5: Solve for x
    x = 78,648,249.19/10,112.03
  6. Step 6: Final answer
    x = 7,777.69

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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.