Home / 11,477.50-17,216.42-3,157.45

Finding the Fourth Proportional to 11,477.50, 17,216.42 and 3,157.45

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Solution

The fourth proportional to 11,477.50, 17,216.42 and 3,157.45 is: 4,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.50 : 17,216.42 = 3,157.45 : x
  2. Step 2: Convert to fraction form
    11,477.50/17,216.42 = 3,157.45/x
  3. Step 3: Cross multiply
    11,477.50x = 17,216.42 × 3,157.45
  4. Step 4: Simplify right side
    11,477.50x = 54,359,926.50
  5. Step 5: Solve for x
    x = 54,359,926.50/11,477.50
  6. Step 6: Final answer
    x = 4,736.22

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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.