Home / 10,177.49-15,268.43-3,157.36

Finding the Fourth Proportional to 10,177.49, 15,268.43 and 3,157.36

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Solution

The fourth proportional to 10,177.49, 15,268.43 and 3,157.36 is: 4,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.49 : 15,268.43 = 3,157.36 : x
  2. Step 2: Convert to fraction form
    10,177.49/15,268.43 = 3,157.36/x
  3. Step 3: Cross multiply
    10,177.49x = 15,268.43 × 3,157.36
  4. Step 4: Simplify right side
    10,177.49x = 48,207,899.87
  5. Step 5: Solve for x
    x = 48,207,899.87/10,177.49
  6. Step 6: Final answer
    x = 4,736.72

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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.