Home / 10,177.40-15,266.25-3,157.34

Finding the Fourth Proportional to 10,177.40, 15,266.25 and 3,157.34

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Solution

The fourth proportional to 10,177.40, 15,266.25 and 3,157.34 is: 4,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.40 : 15,266.25 = 3,157.34 : x
  2. Step 2: Convert to fraction form
    10,177.40/15,266.25 = 3,157.34/x
  3. Step 3: Cross multiply
    10,177.40x = 15,266.25 × 3,157.34
  4. Step 4: Simplify right side
    10,177.40x = 48,200,665.44
  5. Step 5: Solve for x
    x = 48,200,665.44/10,177.40
  6. Step 6: Final answer
    x = 4,736.05

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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.