Home / 11,159.42-16,728.48-3,760.07

Finding the Fourth Proportional to 11,159.42, 16,728.48 and 3,760.07

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Solution

The fourth proportional to 11,159.42, 16,728.48 and 3,760.07 is: 5,636.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.42 : 16,728.48 = 3,760.07 : x
  2. Step 2: Convert to fraction form
    11,159.42/16,728.48 = 3,760.07/x
  3. Step 3: Cross multiply
    11,159.42x = 16,728.48 × 3,760.07
  4. Step 4: Simplify right side
    11,159.42x = 62,900,172.15
  5. Step 5: Solve for x
    x = 62,900,172.15/11,159.42
  6. Step 6: Final answer
    x = 5,636.51

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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.