Home / 10,100.32-13,936.72-5,623.45

Finding the Fourth Proportional to 10,100.32, 13,936.72 and 5,623.45

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Solution

The fourth proportional to 10,100.32, 13,936.72 and 5,623.45 is: 7,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.32 : 13,936.72 = 5,623.45 : x
  2. Step 2: Convert to fraction form
    10,100.32/13,936.72 = 5,623.45/x
  3. Step 3: Cross multiply
    10,100.32x = 13,936.72 × 5,623.45
  4. Step 4: Simplify right side
    10,100.32x = 78,372,448.08
  5. Step 5: Solve for x
    x = 78,372,448.08/10,100.32
  6. Step 6: Final answer
    x = 7,759.40

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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.