Home / 10,177.19-15,266.75-3,157.28

Finding the Fourth Proportional to 10,177.19, 15,266.75 and 3,157.28

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Solution

The fourth proportional to 10,177.19, 15,266.75 and 3,157.28 is: 4,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.19 : 15,266.75 = 3,157.28 : x
  2. Step 2: Convert to fraction form
    10,177.19/15,266.75 = 3,157.28/x
  3. Step 3: Cross multiply
    10,177.19x = 15,266.75 × 3,157.28
  4. Step 4: Simplify right side
    10,177.19x = 48,201,387.33
  5. Step 5: Solve for x
    x = 48,201,387.33/10,177.19
  6. Step 6: Final answer
    x = 4,736.22

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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.