Home / 7,837.16-11,760.26-3,157.58

Finding the Fourth Proportional to 7,837.16, 11,760.26 and 3,157.58

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Solution

The fourth proportional to 7,837.16, 11,760.26 and 3,157.58 is: 4,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.16 : 11,760.26 = 3,157.58 : x
  2. Step 2: Convert to fraction form
    7,837.16/11,760.26 = 3,157.58/x
  3. Step 3: Cross multiply
    7,837.16x = 11,760.26 × 3,157.58
  4. Step 4: Simplify right side
    7,837.16x = 37,133,975.38
  5. Step 5: Solve for x
    x = 37,133,975.38/7,837.16
  6. Step 6: Final answer
    x = 4,738.20

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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.