Home / 10,427.85-15,621.62-5,796.81

Finding the Fourth Proportional to 10,427.85, 15,621.62 and 5,796.81

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Solution

The fourth proportional to 10,427.85, 15,621.62 and 5,796.81 is: 8,684.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.85 : 15,621.62 = 5,796.81 : x
  2. Step 2: Convert to fraction form
    10,427.85/15,621.62 = 5,796.81/x
  3. Step 3: Cross multiply
    10,427.85x = 15,621.62 × 5,796.81
  4. Step 4: Simplify right side
    10,427.85x = 90,555,534.05
  5. Step 5: Solve for x
    x = 90,555,534.05/10,427.85
  6. Step 6: Final answer
    x = 8,684.01

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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.