Home / 10,175.56-15,263.36-3,157.12

Finding the Fourth Proportional to 10,175.56, 15,263.36 and 3,157.12

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Solution

The fourth proportional to 10,175.56, 15,263.36 and 3,157.12 is: 4,735.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.56 : 15,263.36 = 3,157.12 : x
  2. Step 2: Convert to fraction form
    10,175.56/15,263.36 = 3,157.12/x
  3. Step 3: Cross multiply
    10,175.56x = 15,263.36 × 3,157.12
  4. Step 4: Simplify right side
    10,175.56x = 48,188,259.12
  5. Step 5: Solve for x
    x = 48,188,259.12/10,175.56
  6. Step 6: Final answer
    x = 4,735.69

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1.5x scale

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.