Home / 11,157.24-15,397.44-6,964.68

Finding the Fourth Proportional to 11,157.24, 15,397.44 and 6,964.68

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Solution

The fourth proportional to 11,157.24, 15,397.44 and 6,964.68 is: 9,611.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.24 : 15,397.44 = 6,964.68 : x
  2. Step 2: Convert to fraction form
    11,157.24/15,397.44 = 6,964.68/x
  3. Step 3: Cross multiply
    11,157.24x = 15,397.44 × 6,964.68
  4. Step 4: Simplify right side
    11,157.24x = 107,238,242.42
  5. Step 5: Solve for x
    x = 107,238,242.42/11,157.24
  6. Step 6: Final answer
    x = 9,611.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.